doorjamb

[ dawr-jam, dohr- ]
/ ˈdɔrˌdʒæm, ˈdoʊr- /

noun

either of the two sidepieces of a doorframe.

Origin of doorjamb

First recorded in 1830–40; door + jamb1
Also called doorpost.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for doorjamb

doorjamb

/ (ˈdɔːˌdʒæm) /

noun

one of the two vertical members forming the sides of a doorframeAlso called: doorpost
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