† dourlachSc. [app. a variant of dorlach.] ‘A short sword, a dagger’ (Jam.). (? An error.) 18..Scott (in Jamieson s.v.), In heraldry, Highland swords are called dourlachs.1828― F.M. Perth xvii, Manhood shall be tried by kisses and bumpers, not by dirks and dourlachs.