Entry 2 senses · 2 variants Webster, 1913 Unbark · Un·bark · IPA v. t. v. t. 01 v. t. To deprive of the bark; to decorticate; to strip; as, to unbark a tree. 1. To deprive of the bark; to decorticate; to strip; as, to unbark a tree. 02 v. t. To cause to disembark; to land. 1. To cause to disembark; to land.[Obs.]