only 1 use
(click/touch triangles for details)
- In the red glare Sam, cowering behind the stair-door, caught a glimpse of his evil face as it passed: it was scored as if by rending claws and smeared with blood; slaver dripped from its protruding fangs; the mouth snarled like an animal.6.1 — Book 6 Chapter 1 — The Tower of Cirith Ungol (52% in)
There are no more uses of "protrude" in The Return of the King.
Typical Usage (best examples)