knob

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knob / näb/ • n. a rounded lump or ball, esp. at the end or on the surface of something. ∎  a handle on a door or drawer shaped like a ball. ∎  a rounded button for adjusting or controlling a machine. ∎  a small lump of a substance: add a knob of butter or margarine. ∎  a prominent round hill. ∎ vulgar slang a penis.DERIVATIVES: knobbed adj.knob·by adj.knob·like / -ˌlīk/ adj.

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