Nematognathi
plural noun
Nem·a·tog·na·thi
ˌneməˈtägnəˌthī
in some classifications
: an order of scaleless fishes that comprises the catfishes and is equivalent to the suborder Siluroidea of the order Ostariophysi
nematognathous adjective
¦⸗⸗¦⸗⸗thəs
Word History
Etymology
New Latin, from nemat- + -gnathi (from -gnathi, plural of -gnathus -gnathous)