Dictionary

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

Example: The boom of the surf.

A rapid expansion or increase.

Example: You should prepare for the coming boom in the tech industry.

One of the calls of certain monkeys or birds.

To make a loud, hollow, resonant sound.

Example: I can hear the organ slowly booming from the chapel.

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

To make something boom.

Example: Men in grey robes slowly boom the drums of death.

To publicly praise.

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.

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

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

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

Example: to boom off a boat

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

A period of prosperity, growth, progress, or high market activity.

To flourish, grow, or progress.

Example: Business was booming.

To cause to advance rapidly in price.

Example: to boom railroad or mining shares