doorstop

[ dawr-stop, dohr- ]
/ ˈdɔrˌstɒp, ˈdoʊr- /

noun

a device for holding a door open, as a wedge or small weight.
Also called slamming stile, stop. (in a doorframe) a strip or projecting surface against which the door closes.
a device for preventing a door from striking a wall or an object on a wall, as a small rubber-covered projection.

Origin of doorstop

An Americanism dating back to 1870–75; door + stop
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for doorstop

British Dictionary definitions for doorstop

doorstop

/ (ˈdɔːˌstɒp) /

noun

a heavy object, wedge, or other device which prevents an open door from moving
a projecting piece of rubber, etc, fixed to the floor to stop a door from striking a wall
informal a very thick book
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