Astringent, as-trin′jent, adj. binding: contracting: strengthening.—n. a medicine that causes costiveness.—v.t. Astringe′, to bind together: to draw tight: hence to render constipated.—n. Astrin′gency.—adv. Astrin′gently. [L. astringent-em, astringĕread, to, stringĕre, to bind.]

Astrolabe, as′trō-lāb, n. an instrument for measuring the altitudes of the sun or stars, now superseded by Hadley's quadrant and sextant. [Gr.; astron, a star, labb-, lambano, I take.]

Astrolatry, as-trol′a-tri, n. the worship of the stars. [Gr. astron, a star, latreia, worship.]

Astrology, as-trol′o-ji, n. the infant stage of the science of the stars, out of which grew Astronomy; it was occupied chiefly in determining from the positions and motions of the heavenly bodies their supposed influence on human and terrestrial affairs.—n. Astrol′oger, one versed in astrology.—adjs. Astrolog′ic, -al.—adv. Astrolog′ically. [Gr. astrologiaastron, star, logos, knowledge.]

Astronomy, as-tron′om-i, n. the laws or science of the stars or heavenly bodies.—n. Astron′omer, one versed in astronomy.—adj. Astronom′ic.—adv. Astronom′ically.—v.t. Astron′omise. [Gr. astronomiaastron, star, nomos, a law.]

Astrophel, as′tro-fel, n. a name applied by Spenser to some kind of bitter herb.

Astrut, a-strut′, adv. in a strutting manner. [Prep. a, on, and Strut.]

Astute, ast-ūt′, adj. crafty: cunning: shrewd: sagacious.—adv. Astute′ly.—n. Astute′ness.—The adj. Astū′cious, adv. Astū′ciously, and n. Astū′city are all rare. [L. astutusastus, crafty, akin perhaps to Acute.]

Astylar, a-stī′lar, adj. without columns. [Gr. a, neg., stylos, a column.]

Asudden, a-sud′en, adv. suddenly. [Prep. a, and Sudden.]