Balanoglossus
noun
Bal·a·no·glos·sus
-səs
: a genus of marine burrowing wormlike animals that because of certain vertebratelike characters are not usually classed as chordates and made with certain closely related forms (such as Dolichoglossus) to constitute an order (Enteropneusta) of the Hemichorda
Word History
Etymology
New Latin, from balan- + -glossus (from Greek glōssa tongue)
First Known Use
1873, in the meaning defined above