Vī-trī'na, n.
n. [Lat. vitrum, glass.] (Zoöl.) A genus of gastropodous mollusks, having slender, transparent, very thin, and brittle shells, whence the name. Baird.
n. [Lat. vitrum, glass.] (Zoöl.) A genus of gastropodous mollusks, having slender, transparent, very thin, and brittle shells, whence the name. Baird.