n. 1. one of the coiled chambered fossil shells of extinct mollusks; same as ammonite. Syn. -- ammonite [ WordNet 1.5 ]
a. [ Salmon + -oid. ] (Zool.) Like, or pertaining to, the Salmonidae, a family of fishes including the trout and salmon. -- n. Any fish of the family Salmonidae. [ 1913 Webster ]