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. ½How he apes his sire.¸ Addison. The people of England will not ape the fashions they have never tried. Burke. AÏpeak¶ (?), adv. & a. [Pref. aÏ + peak. Cf. F. … 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 a?eek.] Ape¶hood (?), n. The state of being an ape. AÏpel¶lous (?), a. [Pref. aÏ not + L. pellis skin.] Destitute of skin. Brande & C. Ap¶enÏnine (?), a. [L. Apenninus, fr. Celtic pen, or ben, peak, mountain.] Of, pertaining to, or designating, the Apennines, a chain of mountains extending through Italy. AÏpep¶sy (?), n. [NL. apepsia, fr. Gr. ?, fr. ? uncooked, undigested; ? priv. + ? cooked, ? to cook, digest.] (Med.) Defective digestion, indigestion. Coxe. Ap¶er (?), n. One who apes. Ø AÏpe¶reÏa (?), n. [Native name.] (Zo”l.) The wild Guinea pig of Brazil (Cavia aperea). AÏpe¶riÏent (?), 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. Ð n. An aperient medicine or food. Arbuthnot. AÏper¶iÏtive (?), a. [Cf. F. ap‚ritif, fr. L. aperire.] Serving to open; aperient. Harvey. AÏpert¶ (?), a. [OF. apert, L. apertus, p. p. of aperire. See Aperient, and cf. Pert, a.] Open; ev?dent; undisguised. [Archaic] Fotherby. AÏpert¶, adv. Openly. [Obs.] Chaucer. AÏper¶tion (?), n. [L. apertio.] The act of opening; an opening; an aperture. [Archaic] Wiseman. AÏpert¶ly, adv. Openly; clearly. [Archaic] AÏpert¶ness, n. Openness; frankness. [Archaic] Ap¶erÏture (?; 135), 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 wall. An aperture between the mountains. Gilpin. The back aperture of the nostrils. Owen. 3. (Opt.) The diameter of the exposed part of the object glass of a telescope or other optical instrument; as, a telescope of fourÐinch aperture. µ 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 1000 aperture. Ap¶erÏy (?), n.; pl. Aperies . 1. A place where apes are kept. [R.] Kingsley. 2. The practice of aping; an apish action. Coleridge.