knob
[noun]
Synonyms: lump, bump, hump, knot, projection, protrusion, stud

[TahlilGaran] English Synonym Dictionary ▲

knob /nɒb $ nɑːb/ noun [countable]
[Date: 1300-1400; Language: Middle Low German; Origin: knobbe]

1. a round handle or thing that you turn to open a door, turn on a television etc:
He thought the door was locked, but he turned the knob and the door opened.
a brass door knob
I adjusted the volume knob and sat down.

2. a knob of something a small piece of something Synonym : lump:
Melt a knob of butter in the pan.

3. British English spoken not polite a penis

4. with (brass) knobs on British English spoken old-fashioned used especially by children to reply to an insult:
‘You’re fat and lazy.’ ‘Fat and lazy to you with brass knobs on!’

[TahlilGaran] Dictionary of Contemporary English ▲

knob
noun
ADJ. door | control, volume Adjust the control knobs by pressing lightly.
VERB + KNOB adjust, fiddle with, touch, turn, twiddle I've tried twiddling the knobs, but nothing seems to happen.
KNOB + VERB adjust sth, control sth
PREP. ~ on the knobs on the radio

[TahlilGaran] Collocations Dictionary ▲