boom
131boom and bust — ˌboom and ˈbust noun [uncountable] ECONOMICS a situation in which an economy regularly becomes more active and successful and then suddenly fails: • We must try to break this economic cycle of boom and bust. * * * boom and bust UK US noun [U] ►… …
132Boom iron — Boom Boom (b[=oo]m), n. [D. boom tree, pole, beam, bar. See {Beam}.] 1. (Naut.) A long pole or spar, run out for the purpose of extending the bottom of a particular sail; as, the jib boom, the studding sail boom, etc. [1913 Webster] 2. (Mech.) A… …
