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knob
turnabout

knob

 
pronunciation:
nab
features:
Word Combinations (noun)
part of speech: noun
definition: a round device on a door, drawer, or machine.
Lee turned a knob on the radio to change the station.
 
similar words:
grip, handle
Word CombinationsSubscriber feature About this feature
derivations: knobbed (adj.), knoblike (adj.)