follow Dictionary.com

Stories We Like: A Guide to the Comma

helmet shell

noun
1.
a predatory marine gastropod of the family Cassidae, characterized by a thick, heavy shell with a broadened outer lip.
2.
the shell of this animal, often used for making cameos.
Origin
1745-1755
1745-55
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
Encyclopedia Article for helmet-shell

helmet shell

any marine snail of the family Cassidae (subclass Prosobranchia, class Gastropoda), characterized by a large, thick shell with a shieldlike inner lip. An example is the 18-centimetre (7-inch) king helmet (Cassis tuberosa) of the Caribbean.

Learn more about helmet shell with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
Cite This Source

Word of The Day

Difficulty index for helmet shell

Few English speakers likely know this word

Word Value for helmet

11
12
Scrabble Words With Friends

Quotes with helmet-shell