Source : Webster's Revised Unabridged Dictionary (1913)

Muraenoid \Mu*r[ae]"noid\, Murenoid \Mu*re"noid\, a. [NL.
   Mur[ae]na, the generic name + -oid.] (Zo["o]l.)
   Like or pertaining to the genus Mur[ae]na, or family
   {Mur[ae]nid[ae]}.