History
History
History
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US
Meaning:
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a round handle of a door, drawer etc; a round control of a radio, television etc

lump, handle

doorknob latch lever bulge bulk bump bunch hump knot nub opener projection protrusion protuberance snag stud swell swelling trigger tumor knurl
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Cases of word usage

1) a small rounded lump, knob or swelling (nodule)

KNOB as in Wiktionary
KNOB as in Wikipedia