Resembling a whip. / (biology) Having flagella.

(biology) Any organism that has flagella.

(sports) Each of the flags that denotes the corner of the field of play.

A tall pole up which one or more flags may be raised and flown.

(Canada, rare) Exit a country momentarily and reenter. Usually this is done to satisfy immigration requirements.

Alternative form of raise red flags

(idiomatic) To float an idea, (or otherwise do some action) to see what response or controversy (if any) it generates, usually as a preliminary step.

A special piece of clothing worn by soldiers to protect them from shrapnel and grenade fragments, other non-direct fire and battlefield debris. Sometimes used informally to connote any of the various forms of a bullet-proof vest.

(music) A type of small flute of the fipple family. / (music) A technique for playing stringed instrument that produces high-pitched overtones. / A type of kidney bean, common in France.

The captain of a flagship in the Royal Navy.