† platystomousadj. [ < platy-comb. form + ancient Greek στόμα mouth (see stoman.) + -oussuffix; compare scientific Latin Platystomus, Platystoma, genus names (1803), Hellenistic Greek πλατύστομος wide-mouthed] ZoologyObsoleterare having a broad mouth or opening.
ΚΠ
1858 R. G. MayneExpos. Lexicon Med. Sci. (1860) 976/2Platystomus,..platystomous.