(geology) A shallow marine sediment beyond the opening of a large river etc.

plural of fan fiction

(idiomatic, intransitive) To have a dramatic, usually negative, effect.

plural of fan palm

Any of several different kinds of palms (Arecaceae) in various genera with leaves that are palmately lobed (rather than pinnately compound).

plural of sea fan

Any gorgonian which branches in a fan-like form, especially Gorgonia flabellum of Florida and the West Indies.

plural of hand fan

A hand-held device designed to be waved back and forth in order to induce airflow for the purpose of cooling the user.

(idiomatic) To intensify or worsen an already difficult situation.