1. extend beyond or above a surface: "something like a fin protruded from the water"
▪ (of an animal) cause (a body part) to protrude:"when attacking, it protrudes its long snout"
Word Originearly 17th century (in the sense ‘thrust something forward or onward’): from Latin protrudere, from pro- ‘forward, out’ + trudere ‘to thrust’.