plural of nun buoy

plural of safety buoy

A buoy for helping a person to float in water; a life preserver.

figure-eight shaped piece of closed-cell foam used in swim workouts

plural of pull buoy

A series of buoys or floating beacons to mark the course for vessels.

(physics) The upward force on a body immersed or partly immersed in a fluid. / The ability of an object to stay afloat in a fluid. / (by extension) Resilience or cheerfulness.

Having buoyancy; able to float. / (figuratively) Lighthearted and lively. / (of an economy, business etc.) Involving or engaged in much successful trade or activity.

(nautical) the point through which the resultant of all buoyant forces on an immersed hull are assumed to act; the centre of mass of the displaced water.

A waterproof device in the form of a jacket, which stops one from sinking in water.