a. (Bot.) Having a form intermediate between dentate and sinuate. [ 1913 Webster ]

v. t. [ imp. & p. p. Disinured p. pr. & vb. n. Disinuring. ] [ Pref. dis- + inure. ] To render unaccustomed or unfamiliar. [ 1913 Webster ]

We are hindered and disinured . . . towards the true knowledge. Milton. [ 1913 Webster ]

a. [ L. insinuans, p. pr.: cf. F. insinuant. ] Insinuating; insinuative. [ Obs. ] [ 1913 Webster ]

v. t. [ imp. & p. p. Insinuated p. pr. & vb. n. Insinuating. ] [ L. insinuatus, p. p. of insinuareto insinuate; pref. in- in + sinus the bosom. See Sinuous. ] [ 1913 Webster ]

1. To introduce gently or slowly, as by a winding or narrow passage, or a gentle, persistent movement. [ 1913 Webster ]

The water easily insinuates itself into, and placidly distends, the vessels of vegetables. Woodward. [ 1913 Webster ]

2. To introduce artfully; to infuse gently; to instill. [ 1913 Webster ]

All the art of rhetoric, besides order and clearness, are for nothing else but to insinuate wrong ideas, move the passions, and thereby mislead the judgment. Locke. [ 1913 Webster ]

Horace laughs to shame all follies and insinuates virtue, rather by familiar examples than by the severity of precepts. Dryden. [ 1913 Webster ]

3. To hint; to suggest by remote allusion; -- often used derogatorily; as, did you mean to insinuate anything? [ 1913 Webster ]

4. To push or work (one's self), as into favor; to introduce by slow, gentle, or artful means; to ingratiate; -- used reflexively. [ 1913 Webster ]

He insinuated himself into the very good grace of the Duke of Buckingham. Clarendon.

Syn. -- To instill; hint; suggest; intimate. [ 1913 Webster ]

v. i. 1. To creep, wind, or flow in; to enter gently, slowly, or imperceptibly, as into crevices. [ 1913 Webster ]

2. To ingratiate one's self; to obtain access or favor by flattery or cunning. [ 1913 Webster ]

He would insinuate with thee but to make thee sigh. Shak. [ 1913 Webster ]

To insinuate, flatter, bow, and bend my limbs. Shak. [ 1913 Webster ]

a. Winding, creeping, or flowing in, quietly or stealthily; suggesting; winning favor and confidence insensibly. Milton. [ 1913 Webster ]

His address was courteous, and even insinuating. Prescott. [ 1913 Webster ]

adv. By insinuation. [ 1913 Webster ]

n. [ L. insinuatio: cf. F. insinuation. ] [ 1913 Webster ]

1. The act or process of insinuating; a creeping, winding, or flowing in. [ 1913 Webster ]

By a soft insinuation mix'd
With earth's large mass. Crashaw. [ 1913 Webster ]

2. The act of gaining favor, affection, or influence, by gentle or artful means; -- formerly used in a good sense, as of friendly influence or interposition. Sir H. Wotton. [ 1913 Webster ]

I hope through the insinuation of Lord Scarborough to keep them here till further orders. Lady Cowper. [ 1913 Webster ]

3. The art or power of gaining good will by a prepossessing manner. [ 1913 Webster ]

He bad a natural insinuation and address which made him acceptable in the best company. Clarendon. [ 1913 Webster ]

4. That which is insinuated; a hint; a suggestion or intimation by distant allusion; as, slander may be conveyed by insinuations. [ 1913 Webster ]

I scorn your coarse insinuation. Cowper.

Syn. -- Hint; intimation; suggestion. See Innuendo. [ 1913 Webster ]

a. [ Cf. F. insinuatif. ] [ 1913 Webster ]

1. Stealing on or into the confidence or affections; having power to gain favor. “Crafty, insinuative, plausible men.” Bp. Reynolds. [ 1913 Webster ]

2. Using insinuations; giving hints; insinuating; as, insinuative remark. [ 1913 Webster ]

n. [ L., an introducer. ] One who, or that which, insinuates. De Foe. [ 1913 Webster ]

a. Insinuative. [ 1913 Webster ]

a. [ L. sinuatus, p. p. of sinuare to wind, bend, fr. sinus a bend. ] Having the margin alternately curved inward and outward; having rounded lobes separated by rounded sinuses; sinuous; wavy. [ 1913 Webster ]

v. i. [ imp. & p. p. Sinuated p. pr. & vb. n. Sinuating. ] To bend or curve in and out; to wind; to turn; to be sinuous. Woodward. [ 1913 Webster ]

a. Same as Sinuate. [ 1913 Webster ]

n. [ L. sinuatio. ] A winding or bending in and out. [ 1913 Webster ]

a. Sinuous. Loudon. [ 1913 Webster ]

n.; pl. Sinuosities [ Cf. F. sinuosité. ] 1. Quality or state of being sinuous. [ 1913 Webster ]

2. A bend, or a series of bends and turns; a winding, or a series of windings; a wave line; a curve. [ 1913 Webster ]

A line of coast certainly amounting, with its sinuosities, to more than 700 miles. Sydney Smith. [ 1913 Webster ]

a. [ L. sinuosus, fr. sinus a bent surface, a curve: cf. F. sinueux. See Sinus. ] Bending in and out; of a serpentine or undulating form; winding; crooked. -- Sin"u*ous*ly, adv. [1913 Webster]

Streaking the ground with sinuous trace. Milton. [1913 Webster]

Gardens bright with sinuous rills. Coleridge. [1913 Webster]

a. (Zool.) Having a pallial sinus. See under Sinus. [ 1913 Webster ]

n.; pl. L. Sinus, E. Sinuses [ L., a bent surface, a curve, the folds or bosom of a garment, etc., a bay. Cf. Sine, n. ] 1. An opening; a hollow; a bending. [ 1913 Webster ]

2. A bay of the sea; a recess in the shore. [ 1913 Webster ]

3. (Anat. & Zool.) A cavity; a depression. Specifically: (a) A cavity in a bone or other part, either closed or with a narrow opening. (b) A dilated vessel or canal. [ 1913 Webster ]

4. (Med.) A narrow, elongated cavity, in which pus is collected; an elongated abscess with only a small orifice. [ 1913 Webster ]

5. (Bot.) A depression between adjoining lobes. [ 1913 Webster ]

☞ A sinus may be rounded, as in the leaf of the white oak, or acute, as in that of the red maple. [ 1913 Webster ]

Pallial sinus. (Zool.) See under Pallial. --
Sinus venosus [ L., venous dilatation. ] (Anat.) (a) The main part of the cavity of the right auricle of the heart in the higher vertebrates. (b) In the lower vertebrates, a distinct chamber of the heart formed by the union of the large systematic veins and opening into the auricle. [ 1913 Webster ]

n. [ Sinus + -oid. ] (Geom.) The curve whose ordinates are proportional to the sines of the abscissas, the equation of the curve being y = a sin x. It is also called the curve of sines. [ 1913 Webster ]

a. (Geom.) Of or pertaining to a sinusoid; like a sinusoid. [ 1913 Webster ]