(astronomy) A set of orbits in a region that contains asteroids or similar minor planets arrayed as an annulus around the planetary system's orbital center.

plural of photon belt

A heavy-duty leather belt, from which tools etc. may be hung.

A buoyant ring carried on board ships that can be thrown to someone in the water in an emergency to keep themselves afloat.

plural of conveyor belt

present participle of belt up

Third-person singular simple present indicative form of belt up

(Britain) To fasten one's seat belt. / (Britain, colloquial, derogatory, usually in imperative) To stop talking or chattering; shut up.

(aviation) a wearable backpack device using rocket thrust to propel a person into the air / (aviation) a wearable backpack device that can propel a person into the air

plural of seat-belt