βούτυρος

τό
A. butter, τὸ πῖον τοῦ γάλακτος Hp. Morb. 4.51, cf. Arist. Fr. 636, Plu. 2.1109b, LXX Ge. 18.8, Sor. 1.86, Dsc. 2.72, Edict.Diocl. 4.50:—also βούτυρος, ὁ, Gal. 13.527.
II. a plant, Hsch.; ὄζει ὁ τόπος β. Ath. 9.395a.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project