Found 2 items, similar to agnathan.
English → English (WordNet) Definition: agnathan agnathan n : eel-shaped vertebrate without jaws or paired appendages including the cyclostomes and some extinct forms [syn: jawless vertebrate , jawless fish]
English → English (gcide) Definition: agnathan agnathan \agnathan\ n. 1. an eel-shaped vertebrate without jaws or paired appendages; a member of the Agnatha. The group includes the cyclostomes and some extinct forms. Syn: jawless vertebrate, jawless fish [WordNet 1.5]