[ trawf, trof or, sometimes, trawth, troth ]
/ trɔf, trɒf or, sometimes, trɔθ, trɒθ /


Origin of trough

before 900; Middle English; Old English trōh; cognate with Dutch, German, Old Norse trog

Related forms

trough·like, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for trough

British Dictionary definitions for trough


/ (trɒf) /



(intr) informal to eat, consume, or take greedily

Derived Forms

troughlike, adjective

Word Origin for trough

Old English trōh; related to Old Saxon, Old Norse trog trough, Dutch trügge ladle
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

Science definitions for trough


[ trôf ]

The part of a wave with the least magnitude; the lowest part of a wave. Compare crest. See more at wave.
A narrow, elongated region of relatively low atmospheric pressure occurring at the ground surface or in the upper atmosphere, and often associated with a front. Compare ridge.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.