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1. Chiefly Brit a small hand axe
2. a butcher's cleaver
3. an informal name for a helicopter
4. Physics a device for periodically interrupting an electric current or beam of radiation to produce a pulsed current or beam
5. a type of bicycle or motorcycle with very high handlebars and an elongated saddle
6. NZ a child's bicycle
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
Any knife, axe, or mechanical device for chopping or cutting an object into segments.
A device for interrupting an electric current, beam of light, or beam of infrared radiation at regular intervals, to permit amplification of the associated electrical quantity or signal by an alternating-current amplifier; also used to interrupt a continuous stream of neutrons to measure velocity.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
A colloquial term for helicopter.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved