n. [ Pref. ab- + evacuation. ] (Med.) A partial evacuation. Mayne. AS [ 1913 Webster ]

v. t. [ L. acus needle. ] To sharpen; to make pungent; to quicken. [ Obs. ] “[ To ] acuate the blood.” Harvey. [ 1913 Webster ]

a. Sharpened; sharp-pointed. [ 1913 Webster ]

n. Act of sharpening. [ R. ] [ 1913 Webster ]

a. Of or pertaining to an arc. [ 1913 Webster ]

Arcual measure of an angle (Math.), that in which the unit angle has its measuring arc equal to the radius of the circle. [ 1913 Webster ]

{ #), } a. [ L. arcuatus, p. p. of arcuare to shape like a bow, fr. arcus. See Arc. ] Bent or curved in the form of a bow. “Arcuate stalks.” Gray. [ 1913 Webster ]

adv. In the form of a bow. [ 1913 Webster ]

n. [ L. arcuatio. ] 1. The act of bending or curving; incurvation; the state of being bent; crookedness. Coxe. [ 1913 Webster ]

2. (Hort.) A mode of propagating trees by bending branches to the ground, and covering the small shoots with earth; layering. Chambers. [ 1913 Webster ]

n. [ OF. escuage, F. écuage, from OF. escu shield, F. écu. See Esquire. ] (Feud. Law) Service of the shield, a species of knight service by which a tenant was bound to follow his lord to war, at his own charge. It was afterward exchanged for a pecuniary satisfaction. Called also scutage. Blackstone. [ 1913 Webster ]

a. [ L.evacuans, -antis, p. pr. of evacuare: cf. F. évacuant. ] Emptying; evacuative; purgative; cathartic. -- n. (Med.) A purgative or cathartic. [ 1913 Webster ]

v. t. [ imp. & p. p. Evacuated p. pr. & vb. n. Evacuating. ] [ l. evacuatus, p. p. of evacuare to empty, nullify; e out + vacuus empty, vacare to be empty. See Vacate. ] 1. To make empty; to empty out; to remove the contents of; as, to evacuate a vessel or dish. [ 1913 Webster ]

2. Fig.: To make empty; to deprive. [ R. ] [ 1913 Webster ]

Evacuate the Scriptures of their most important meaning. Coleridge. [ 1913 Webster ]

3. To remove; to eject; to void; to discharge, as the contents of a vessel, or of the bowels. [ 1913 Webster ]

4. To withdraw from; to quit; to retire from; as, soldiers from a country, city, or fortress. [ 1913 Webster ]

The Norwegians were forced to evacuate the country. Burke. [ 1913 Webster ]

5. To make void; to nullify; to vacate; as, to evacuate a contract or marriage. [ Obs. ] Bacon. [ 1913 Webster ]

v. i. 1. To let blood [ Obs. ] Burton. [ 1913 Webster ]

2. to expel stool from the bowels; to defecate. [ PJC ]

adj. 1. p. p. of evacuate. [ WordNet 1.5 ]

2. emptied of gas by being pumped out or having a vacuum created; as, a highly evacuated glass tube. [ WordNet 1.5 ]

n. [ L. evacuatio: cf. F. évacuation. ] 1. The act of emptying, clearing of the contents, or discharging. Specifically: (a) (Mil.) Withdrawal of troops from a town, fortress, etc. (b) (Med.) Voidance of any matter by the natural passages of the body or by an artificial opening; defecation; also, a diminution of the fluids of an animal body by cathartics, venesection, or other means. [ 1913 Webster ]

2. That which is evacuated or discharged; especially, a discharge by stool or other natural means. Quincy. [ 1913 Webster ]

3. Abolition; nullification. [ Obs. ] Hooker. [ 1913 Webster ]

Evacuation day, the anniversary of the day on which the British army evacuated the city of New York, November 25, 1783. [ 1913 Webster ]

a. [ Cf. F. évacuatif. ] Serving of tending to evacuate; cathartic; purgative. [ 1913 Webster ]

n. One who evacuates; a nullifier. “Evacuators of the law.” Hammond. [ 1913 Webster ]

n. A purgative. [ 1913 Webster ]

v. t. [ L. exacure; ex out (intens.) + acuere to make sharp. ] To whet or sharpen. [ Obs. ] B. Jonson. -- Ex*ac`u*a"tion n. [Obs.] [1913 Webster]

n. [ Pg. ipecacuanha (cf. Sp. ipecacuana); fr. Braz. ipe-kaa-guena, prop., a creeping plant that causes vomiting. ] (Med. & Bot.) The root of a Brazilian rubiaceous herb (Cephaëlis Ipecacuanha), largely employed as an emetic; also, the plant itself; also, a medicinal extract of the root. Many other plants are used as a substitutes; among them are the black or Peruvian ipecac (Psychotria emetica), the white ipecac (Ionidium Ipecacuanha), the bastard or wild ipecac (Asclepias Curassavica), and the undulated ipecac (Richardsonia scabra). [ 1913 Webster ]

a. That may be rescued. [ 1913 Webster ]

{ } a. Having a figure resembling that of a bow; somewhat curved or arched. [ 1913 Webster ]

v. t. [ L. vacuatus, p. p. of vacuare to empty, from vacuus empty. See Vacant. ] To make void, or empty. [ R. ] [ 1913 Webster ]

n. The act of emptying; evacuation. [ R. ] [ 1913 Webster ]