The Collaborative International Dictionary of English v.0.48:
Sea lamprey \Sea" lam"prey\ (Zool.) The common lamprey. [1913 Webster]WordNet (r) 3.0 (2006):
sea lamprey n 1: large anadromous lamprey sometimes used as food; destructive of native fish fauna in the Great Lakes [syn: sea lamprey, Petromyzon marinus]