‖n.; etymologically pl., but syntactically sing. [ NL., fr. Gr. tetraplo`os, tetraploy^s, fourfold. ] A Bible consisting of four different Greek versions arranged in four columns by Origen; hence, any version in four languages or four columns. [ 1913 Webster ]
n. [ Gr. &unr_; fourfooted; te`tra- (see Tetra-) + &unr_;, &unr_;, foot. ] (Zool.) An insect characterized by having but four perfect legs, as certain of the butterflies. [ 1913 Webster ]