πλακοῦς

οῦντος, ὁ
A. πλακοῦ Theodos. Can. p.3 H.:—contr. from πλακόεις, flat cake (perh. shaped like the mallow-seed, Phan.Hist. 29), freq. in Com., πλακοῦντος κύκλος Ar. Ach. 1125, cf. Alex. 22 (pl., hex.); π. ἄρτος Ath. 14.645d: also resolved πλακόεις, AP 6.155 (Theodorid.).
II. the seed of the mallow, which seeds children call cheeses, Phan.Hist. 29, Gal. 10.113.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project