σπαθίον

τό
A. knife, scalpel, Sor. 2.63; blade of a scalpel, Hippiatr. 20; small blade in a machine, Hero Spir. 1.42; name of a measure of capacity, ἐλαίου ς. ἓν ἐσφραγισμένον PLond. 2.236.5 (iv A.D.), cf. 3.1266 (a).7 (ii A.D.), etc.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project