a. [ Gr. &unr_; to bend back; &unr_; back + &unr_; to bend. ] Reflecting of reflected; as, an anacamptic sound (and echo). [ 1913 Webster ]

☞ The word was formerly applied to that part of optics which treats of reflection; the same as what is now called catoptric. See Catoptrics. [ 1913 Webster ]

adv. By reflection; as, echoes are sound produced anacamptically. Hutton. [ 1913 Webster ]

n. 1. The science of reflected light, now called catoptrics. [ 1913 Webster ]

2. The science of reflected sounds. [ 1913 Webster ]

a. Spineless, as certain fishes. [ 1913 Webster ]

{ ‖ } n. pl. [ NL., fr. Gr. 'an priv. + &unr_; thorny, fr. &unr_; thorn. ] (Zool.) A group of teleostean fishes destitute of spiny fin-rays, as the cod. [ 1913 Webster ]

a. (Bot.) Belonging to, or resembling, a family, or order, of plants of which the cashew tree is the type, and the species of sumac are well known examples. [ 1913 Webster ]

a. Pertaining to, or derived from, the cashew nut; as, anacardic acid. [ 1913 Webster ]

‖n. [ NL., fr. Gr. &unr_; similar to + &unr_; heart; -- the fruit of this plant being thought to resemble the heart of a bird. ] (Bot.) A genus of plants including the cashew tree. See Cashew. [ 1913 Webster ]

a. [ Gr. 'anakaqartiko`s, fr. 'anakaqai`rein to cleanse upward, i. e., by vomiting; 'ana` + kaqai`rein. See Cathartic. ] 1. (Med.) Producing vomiting or expectoration. [ archaic ] [ 1913 Webster + AS ]

n. (Med.) An anacathartic medicine; an expectorant or an emetic. [ archaic ] [ 1913 Webster + AS ]