Meaning

noun ammunition consisting of a cylindrical metal casing containing an explosive charge and a projectile; fired from a large gun

noun the material that forms the hard outer covering of many animals

noun hard outer covering or case of certain organisms such as arthropods and turtles

originEtymology tree Proto-Indo-European *(s)kelH- Proto-Indo-European *skolH-yeh₂ Proto-Germanic *skaljō Proto-West Germanic *skallju Old English sċiell Middle English schelle English shell From Middle English schelle, from Old English sċel, sċell, sċiell, sċil, sċill, sċyl, sċyll, from Proto-West Germanic *skallju, from Proto-Germanic *skaljō (“shell; husk; rind; peel”), from Proto-Indo-European…

Etymology from Wiktionary, CC BY-SA 3.0