Noah Webster
Protrude
PROTRU'DE, verb transitive [Latin protrudo; pro and trudo, to thrust. See Thrust.]
1. To thrust forward; to drive or force along; as food protruded from the stomach into the intestine.
2. To thrust out, as from confinement. The contents of the abdomen are protruded in hernia.
PROTRU'DE, verb intransitive To shoot forward; to be thrust forward.
The parts protrude beyond the skin.