protrude in WordNet English dictionary

1. bulge outward
   "His eyes popped"
   start  protrude  pop  pop out  bulge  bulge out  bug out  come out 
   
2. swell or protrude outwards
   "His stomach bulged after the huge meal"
   bulge  pouch  protrude 
   
3. extend out or project in space
   "His sharp nose jutted out"; "A single rock sticks out from the cliff"
   stick out  protrude  jut out  jut  project