beam

[ beem ]
/ bim /
||

noun

verb (used with object)

verb (used without object)

to emit beams, as of light.
to smile radiantly or happily.

Idioms

Origin of beam

before 900; Middle English beem, Old English bēam tree, post, ray of light; cognate with Old Frisian bām, Old Saxon bōm, Dutch boom, Old High German boum (German Baum), Gothic bagms, Old Norse bathmr tree; the identity of the consonant which has assimilated itself to the following m is unclear, as is the original root; perhaps Germanic *bagmaz < *bargmaz < Indo-European *bhorǵh-mos growth; see barrow2
SYNONYMS FOR beam
10 See gleam.
20 See shine1.
Related forms
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for off the beam

beam

/ (biːm) /

noun

verb

Derived Forms

Word Origin for beam

Old English beam; related to Gothic bagms tree, Old High German boum tree
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Idioms and Phrases with off the beam (1 of 2)

off the beam


Off course, on the wrong track, as in He's way off the beam with that argument. This colloquial term and its antonym, on the beam, meaning “on the right track,” allude to directing aircraft by means of radio beams. [Colloquial; mid-1900s]

Idioms and Phrases with off the beam (2 of 2)

beam


see broad in the beam; off the beam.

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.