CUTLASS Meaning of CUTLASS in English [cut.lass] n [MF coutelas, aug. of coutel knife, fr. L cultellus, dim. of culter knife, plowshare] (1594) 1: a short curving sword formerly used by sailors on warships 2: machete Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012