1.AdjectiveOf an insect: that bores holes; specifically, of the suborder Terebrantia of thrips which bore using their ovipositors.
2.AdjectiveOf pain: resembling the sensation of being bored into or pierced.
3.NounAn insect that bores (“makes holes”); a borer; specifically, one belonging to the Terebrantia suborder of thrips which bore using their ovipositors.