a. [ L. pinus pine. ] (Chem.) Of or pertaining to the pine; obtained from the pine; formerly, designating an acid which is the chief constituent of common resin, -- now called abietic, or sylvic, acid. [ 1913 Webster ]

a. 1. Languishing; drooping; wasting away, as with longing. [ 1913 Webster ]

2. Wasting; consuming. “The pining malady of France.” Shak. [ 1913 Webster ]

adv. In a pining manner; droopingly. Poe. [ 1913 Webster ]

n. [ OF. pignon a pen, F., gable, pinion (in sense 5); cf. Sp. piñon pinion; fr. L. pinna pinnacle, feather, wing. See Pin a peg, and cf. Pen a feather, Pennat, Pennon. ] 1. A feather; a quill. Shak. [ 1913 Webster ]

2. A wing, literal or figurative. [ 1913 Webster ]

Swift on his sooty pinions flits the gnome. Pope. [ 1913 Webster ]

3. The joint of bird's wing most remote from the body. Johnson. [ 1913 Webster ]

4. A fetter for the arm. Ainsworth. [ 1913 Webster ]

5. (Mech.) A cogwheel with a small number of teeth, or leaves, adapted to engage with a larger wheel, or rack (see Rack); esp., such a wheel having its leaves formed of the substance of the arbor or spindle which is its axis. [ 1913 Webster ]

Lantern pinion. See under Lantern. --
Pinion wire, wire fluted longitudinally, for making the pinions of clocks and watches. It is formed by being drawn through holes of the shape required for the leaves or teeth of the pinions. [ 1913 Webster ]

n. (Zool.) A moth of the genus Lithophane, as Lithophane antennata, whose larva bores large holes in young peaches and apples. [ 1913 Webster ]

v. t. [ imp. & p. p. Pinioned p. pr. & vb. n. Pinioning. ] 1. To bind or confine the wings of; to confine by binding the wings. Bacon. [ 1913 Webster ]

2. To disable by cutting off the pinion joint. Johnson. [ 1913 Webster ]

3. To disable or restrain, as a person, by binding the arms, esp. by binding the arms to the body. Shak. [ 1913 Webster ]

Her elbows pinioned close upon her hips. Cowper. [ 1913 Webster ]

4. Hence, generally, to confine; to bind; to tie up. “Pinioned up by formal rules of state.” Norris. [ 1913 Webster ]

a. Having wings or pinions. [ 1913 Webster ]

n. (Zool.) Any winged creature. [ 1913 Webster ]

n. [ L. pinus the pine tree. ] 1. (Paleon.) Any fossil wood which exhibits traces of having belonged to the Pine family. [ 1913 Webster ]

2. (Chem.) A sweet white crystalline substance extracted from the gum of a species of pine (Pinus Lambertina). It is isomeric with, and resembles, quercite. [ 1913 Webster ]

n. [ So called from Pini, a mine in Saxony. ] (Min.) A compact granular cryptocrystalline mineral of a dull grayish or greenish white color. It is a hydrous alkaline silicate, and is derived from the alteration of other minerals, as iolite. [ 1913 Webster ]