Fierasfer
Pronunciation : Fi`e*ras"fer
Part of Speech : n.
Etymology : [NL.] (Zo?l.)
Definition : Defn: A genus of small, slender fishes, remarkable for their habit of living as commensals in other animals. One species inhabits the gill cavity of the pearl oyster near Panama; another lives within an East Indian holothurian.
Source : Webster's Unabridged Dictionary, 1913