arboricidal,a.|ˌɑːbərɪˈsaɪdəl| [f. L. arbor tree + -cide 2 + -al.] Given to cutting down trees; tree-felling. 1866Blackmore Cradock Nowell xii, Condemnation of this arboricidal age.1877E. Yates Celebrities at Home I. 50 The arboricidal tastes of the Master of Hawarden.