velellidæ

pl. [Mod. Lat. velell (a); Lat. fem. pl. adj. suff. -idæ.] Zool.: A family of Oceanic Hydrozoa, with two genera, Velella and Porpita. věl-I-a, s. [Etym. doubtful. Prob. from Latin a leaf. IMG:content-0427.png:[blocks in formation] 1. Bot .: The same as VENATION (q. v.). 2. Weaving : A stripe in the cloth formed by a vacancy in the warp.