n. [ Gr. &unr_;; &unr_; twelve + &unr_;, dim. of &unr_; part: cf. F. dodécatémorie. ] (Astron.) A tern applied to the twelve houses, or parts, of the zodiac of the primum mobile, to distinguish them from the twelve signs; also, any one of the twelve signs of the zodiac. [ 1913 Webster ]