booms

Noun (1)

boom (plural booms)

1. A low-pitched, resonant sound, such as of an explosion.
   • the boom of the surf
2. A rapid expansion or increase.
   • You should prepare for the coming boom in the tech industry.
3. A period of prosperity, growth, progress, or high market activity.

   Antonyms:

   depression, recession

4. One of the calls of certain monkeys or birds.
   • Interestingly, the blue monkey's boom and pyow calls are both long-distance signals (Brown, 1989), yet the two calls differ in respect to their susceptibility to habitat-induced degradation.1990, Mark A. Berkley, William C. Stebbins, Comparative Perception
5. (slang) An instance of booming.
   • Some chess commentators know to excitedly point out when booms happen but they almost universally are missing out on the next step of explaining what the boom meant.2021 January 23, Bram Cohen, “You're doing computer chess game commentary wrong”, in Medium, archived from the original on 06 Dec 2022

   Antonyms:

   moob

Noun (2)

boom (plural booms)

1. A spar extending the foot of a sail; a spar rigged outboard from a ship's side to which boats are secured in harbour.
   • Tighten the outhaul and place the appropriate line in the cam cleat located on the boom about two feet back from the mast.(Can we date this quote?), “Pico Rigging Instructions”, in California State University, Sacramento, page 1

See all 32 meanings of boom