boom
/bum/ noun B1- 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 specially-designed, movable pole, used to suspend a microphone or camera high above the ground during filming or recording.
- A deployable structure on spacecraft used for mounting solar panels, radiators, antennae, instruments, etc.
- A horizontal member of a crane or derrick, used for lifting.
- The longest element of a Yagi-Uda antenna, on which the other, smaller antennae are transversally mounted.
- A boom barrier; a lowerable bar used to block vehicle access.
- A floating barrier used to obstruct navigation on water, 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 gymnastics apparatus, similar to a balance beam, which must be traversed as part of an obstacle course, typically as a training exercise in school or as part of basic training for new military recruits.
Plural booms
Phrasal verbs and expressions
From the library
However, those experienced in navigation saw plainly that if any accident had occurred, it was not to the vessel herself, for she bore down with all the evidence of being skilfully handled, the anchor a-cockbill, the jib-boom guys already eased off, and standing by the side of the pilot, who was steering the Pharaon towards the narrow entrance of the inner port, was a young man, who, with activity and vigilant eye, watched every motion of the ship, and repeated each direction of the pilot.
That would boom the market; she will buy heavily, and she will certainly lose when Beauchamp announces the following day, in his gazette, ‘The report circulated by some usually well-informed persons that the king was seen yesterday at Gabrielle’s house, is totally without foundation.
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