A black-shelled edible mollusc (Haliotis crachedorii), found off the North American Pacific coast.

(simile) To smile broadly, especially in a self-satisfied way.

(idiomatic) The two alternatives are equivalent or indifferent; it doesn't matter which one we choose. / (idiomatic, of two people) Equally involved; equally responsible

A person who never settles in one place will never be successful. / A person must keep active in order to avoid stagnating.

(idiomatic, Britain, Ireland, humorous, informal) To become overwrought or unnecessarily upset over a trivial matter.

(simile) To appear to be exactly what one is.

(transitive, simile) To observe (someone or something) closely and keenly.

(colloquial, simile) To move effortlessly and in an agile fashion.

(simile) to have a beautiful singing voice / (simile) to divulge secrets with little coercion

(colloquial, simile) To eat in small amounts rather than in a single full meal.