Definition of "seashell" in English

noun

1. The empty shell of a marine mollusk.

2. The animal living inside a seashell.

   • The seashells on the beach are toxic and best avoided.

3. A very light pink colour, like that of some seashells.

adjective

1. Of a very light pink colour, like that of some seashells.

verb

1. (transitive) To collect seashells.