Nouns

(n)shellammunition consisting of a cylindrical metal casing containing an explosive charge and a projectile; fired from a large gun
(n)shellthe material that forms the hard outer covering of many animals
(n)carapace, shell, cuticle, shieldhard outer covering or case of certain organisms such as arthropods and turtles
(n)shellthe hard usually fibrous outer layer of some fruits especially nuts
(n)shell, eggshellthe exterior covering of a bird's egg
(n)shella rigid covering that envelops an object“the satellite is covered with a smooth shell of ice”
(n)shell, racing shella very light narrow racing boat
(n)shell, case, casingthe housing or outer covering of something“the clock has a walnut case”
(n)plate, scale, shella metal sheathing of uniform thickness (such as the shield attached to an artillery piece to protect the gunners)
(n)shellthe hard largely calcareous covering of a mollusc or a brachiopod

Verbs

(v)blast, shelluse explosives on“The enemy has been shelling us all day”
(v)blast, shellcreate by using explosives“blast a passage through the mountain”
(v)shellfall out of the pod or husk“The corn shelled”
(v)shellhit the pitches of hard and regularly“He shelled the pitcher for eight runs in the first inning”
(v)shelllook for and collect shells by the seashore
(v)beat, beat out, crush, shell, trounce, vanquishcome out better in a competition, race, or conflict“Agassi beat Becker in the tennis championship”, “We beat the competition”, “Harvard defeated Yale in the last football game”
(v)shellremove from its shell or outer covering“shell the legumes”, “shell mussels”
(v)husk, shellremove the husks from“husk corn”