(Ape), v. t. [imp. & p. p. Aped; p. pr. & vb. n. Aping.] To mimic, as an ape imitates human
actions; to imitate or follow servilely or irrationally. "How he apes his sire." Addison.
The people of England will not ape the fashions they have never tried.
(A*peak") adv. & a. [Pref. a- + peak. Cf. F. à pic vertically.] (Naut.) In a vertical line. The
anchor in apeak, when the cable has been sufficiently hove in to bring the ship over it, and the ship is
them said to be hove apeak. [Spelt also apeek.]
(Ape"hood) n. The state of being an ape.
(A*pel"lous) a. [Pref. a- not + L. pellis skin.] Destitute of skin. Brande & C.
(Ap"en*nine) a. [L. Apenninus, fr. Celtic pen, or ben, peak, mountain.] Of, pertaining to,
or designating, the Apennines, a chain of mountains extending through Italy.
(A*pep"sy) n. [NL. apepsia, fr. Gr. fr. uncooked, undigested; 'a priv. + cooked, to cook, digest.]
(Med.) Defective digestion, indigestion. Coxe.
(Ap"er) n. One who apes.
(||A*pe"re*a) n. [Native name.] (Zoöl.) The wild Guinea pig of Brazil (Cavia aperea).
(A*pe"ri*ent) a. [L. aperiens, p. pr. of aperire to uncover, open; ab + parire, parere, to bring
forth, produce. Cf. Cover, Overt.] (Med.) Gently opening the bowels; laxative. n. An aperient
medicine or food. Arbuthnot.
(A*per"i*tive) a. [Cf. F. apéritif, fr. L. aperire.] Serving to open; aperient. Harvey.
(A*pert") a. [OF. apert, L. apertus, p. p. of aperire. See Aperient, and cf. Pert, a.] Open; evident; undisguised.
(A*pert"), adv. Openly. [Obs.] Chaucer.
(A*per"tion) n. [L. apertio.] The act of opening; an opening; an aperture. [Archaic] Wiseman.
(A*pert"ly), adv. Openly; clearly. [Archaic]
(A*pert"ness), n. Openness; frankness. [Archaic]
(Ap"er*ture) n. [L. apertura, fr. aperire. See Aperient.]
1. The act of opening. [Obs.]
2. An opening; an open space; a gap, cleft, or chasm; a passage perforated; a hole; as, an aperture in a
An aperture between the mountains.
The back aperture of the nostrils.
3. (Opt.) The diameter of the exposed part of the object glass of a telescope or other optical instrument; as,
a telescope of four-inch aperture.
The aperture of microscopes is often expressed in degrees, called also the angular aperture, which
signifies the angular breadth of the pencil of light which the instrument transmits from the object or point
viewed; as, a microscope of 100° aperture.