Shells: meaning, definitions and examples

Used to refer to the hard outer layer of some animals, especially those living in the sea, or the casing of a nut or seed.

• The children collected shells on the beach
• Cracking open peanut shells can be fun

Refers to aquatic animals with a shell, such as crabs, lobsters, oysters, and clams, typically used in the context of food.

• We had a delicious meal of shellfish at the restaurant
• Shellfish like clams and mussels are popular in many cuisines

Specifically refers to the hard upper shell of a turtle, crustacean, or arachnid.

• The turtle retreated into its carapace
• The crab's carapace offers good protection

Used to describe the external skeleton that supports and protects an animal's body, particularly in insects and some marine animals.

• Insects like beetles have a thick exoskeleton
• Lobsters have a strong exoskeleton for protection

See 'shells' entry.

A term used for any object that is thrown, fired, or launched, typically used in a technical or scientific context. This can include bullets, missiles, and other objects.

• The engineer analyzed the trajectory of the projectile.
• Various projectiles were used in testing the new weapon system.

Refers to a supply of bullets, shells, or other items meant to be fired from weapons. It is often used in broader contexts, including both military and civilian uses.

• The troops were running low on ammunition.
• Hunters must ensure they have the right type of ammunition for their rifles.

Used commonly to describe a shocking or surprising event or piece of news, rather than an actual explosive device. This word can have a dramatic or sensational connotation.

• The revelation was a bombshell that changed everything.
• She dropped a bombshell when she announced her resignation.