[ nob ]
/ nɒb /


a projecting part, usually rounded, forming the handle of a door, drawer, or the like.
a rounded lump or protuberance on the surface or at the end of something, as a knot on a tree trunk.
Architecture. an ornamental boss, as of carved work.
a rounded hill, mountain, or elevation on a ridge.

verb (used with object), knobbed, knob·bing.

Origin of knob

1350–1400; Middle English knobbe < Middle Low German

Related forms

knob·like, adjective

Can be confused

knob nob Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for knob

British Dictionary definitions for knob


/ (nɒb) /


verb knobs, knobbing or knobbed

Derived Forms

knobby, adjectiveknoblike, adjective

Word Origin for knob

C14: from Middle Low German knobbe knot in wood; see knop
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 knob


[ nŏb ]

A prominent, rounded hill or mountain.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.