Shell

carapaça

(entomology: exoskeleton of certain insects)

carapaça

(conjoined scutes that comprise the "shell" of a tortoise or turtle)

carapaça

(overlapping hard plates comprising the armor covering armadillo's body)

cartucho

(casing of an artillery projectile)

cartucho

(cartridge of a breechloading firearm)

casca

(hard covering of an egg)

casca

(covering of a nut)

casco

(conjoined scutes that comprise the "shell" of a tortoise or turtle)

concha

(hard calcareous or chitinous external covering of many invertebrates)

console

(computing: general-purpose environment)

exterior

(any hollow structure; framework, or exterior structure)

granada

(hollow usually spherical or cylindrical projectile fired from a mortar or a cannon)

obus

(hollow usually spherical or cylindrical projectile fired from a mortar or a cannon)

terminal

(computing: general-purpose environment)

vagem

(pod)

descascar

(to remove the outer covering or shell of something)