carabideous,a.Ent.|kærəˈbɪdɪəs| [f. carabid + -eous.] =prec. 1835J. Duncan Nat.Hist. Beetles 119 The majority of carabideous insects secrete an acrid and caustic fluid.1835[see square a. 1].1889A. R. Wallace Darwinism 44 The curious little carabideous beetles of the genus Notiophilus.