Bī-mŭs'cu-lar, a.
a. [Lat. bis, twice, and Eng. muscular, q. v.] (Compar. Anat.) Having two attaching muscles, and two muscular impressions, as a bivalve mollusk. Kirby.
a. [Lat. bis, twice, and Eng. muscular, q. v.] (Compar. Anat.) Having two attaching muscles, and two muscular impressions, as a bivalve mollusk. Kirby.