ψῆττα

A. flat-fish, prob. turbot, Rhombus maximus, Ar. Lys. 115,131, Pl. Smp. 191d, Antiph. 132.7 (anap.), Ath. 7.329e, Luc. Pisc. 49, Alciphr. 1.7; ψ. χονδροφυής perh. a skate, Matro Conv. 27.
II. a nickname for a glutton, Pl.Com. 106. (The form ψῆσσα Alex. Trall.1.15, al., Zonar.; ψησία (s. v. l.) Suid.)
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project