The Collaborative International Dictionary of English v.0.48:
Sula \Su"la\, n. [NL., fr. Icel. s?la the gannet. See Solan goose.] (Zool.) A genus of sea birds including the booby and the common gannet. [1913 Webster] SulcateWordNet (r) 3.0 (2006):
Sula n 1: type genus of the Sulidae [syn: Sula, genus Sula]