#1 shell n. ammunition consisting of a cylindrical metal casing containing an explosive charge and a projectile; fired from a large gun. wn
#2 shell n. the material that forms the hard outer covering of many animals. wn
#3 shell n. [carapace, cuticle, shield] hard outer covering or case of certain organisms such as arthropods and turtles. wn
#4 shell v. [blast] use explosives on; "The enemy has been shelling us all day". wn
#5 shell v. [blast] create by using explosives; "blast a passage through the mountain". wn
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