A low-pitched, resonant sound, such as of an explosion.
A rapid expansion or increase.
One of the calls of certain monkeys or birds.
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.
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.
A period of prosperity, growth, progress, or high market activity.
To make a loud, hollow, resonant sound.
(of speech) To exclaim with force, to shout, to thunder.
To make something boom.
To publicly praise.
To rush with violence and noise, as a ship under a press of sail, before a free wind.
To extend, or push, with a boom or pole.
(usually with "up" or "down") To raise or lower with a crane boom.
To flourish, grow, or progress.
To cause to advance rapidly in price.
Used to suggest the sound of an explosion.
Used to suggest something happening suddenly and unexpectedly.