A Belgian town and municipality in the southwest of the Flemish province of Antwerp.

A low-pitched, resonant sound, such as of an explosion.

A rapid expansion or increase.

(aviation) Ellipsis of sonic boom.

One of the calls of certain monkeys or birds.

(chess engines) An instance of booming.

(sailing) A spar extending the foot of a sail; a spar rigged outboard from a ship's side to which boats are secured in harbour.

A movable pole used to support a microphone or camera.

(by extension) A microphone supported on such a pole.

A horizontal member of a crane or derrick, used for lifting.

(electronics) The longest element of a Yagi antenna, on which the other, smaller ones are transversally mounted.

A floating barrier used to obstruct navigation, for military or other purposes; or used for the containment of an oil spill or to control the flow of logs from logging operations.

A wishbone-shaped piece of windsurfing equipment.

The section of the arm on a backhoe closest to the tractor.

A gymnastics apparatus similar to a balance beam.

(economics, business) A period of prosperity, growth, progress, or high market activity.

To make a loud, hollow, resonant sound.

(transitive, figurative, of speech) To exclaim with force, to shout, to thunder.

Of a Eurasian bittern, to make its deep, resonant territorial vocalisation.

(transitive) To make something boom.

(aviation) To subject to a sonic boom.

To rush with violence and noise, as a ship under a press of sail, before a free wind.

(chess engines) To rapidly adjust the evaluation of a position away from zero, indicating a likely win or loss.

To extend, or push, with a boom or pole.

(usually with "up" or "down") To raise or lower with a crane boom.

(intransitive) To flourish, grow, or progress.

Used to suggest the sound of an explosion.

Used to suggest something happening suddenly and unexpectedly.

The sound of a bass drum beating.

The sound of a cannon firing.