n.
Function: transitive verb
Date: 1562
1 a : to take out of a natural enclosing cover (as a shell, husk, pod, or capsule) < shell peanuts> b : to separate the kernels of (as an ear of Indian corn, wheat, or oats) from the cob, ear, or husk
2 : to throw shells at, upon, or into : BOMBARD
3 : to score heavily against (as an opposing pitcher in baseball)
intransitive verb
1 : to fall or scale off in thin pieces
2 : to cast the shell or exterior covering : fall out of the pod or husk <nuts which shell in falling>
3 : to gather shells (as from a beach) : collect shells