American Heritage Dictionary
(4)
Century Dictionary
(13)
GNU Webster's 1913
(2)
WordNet
(4)
Elsewhere on the web
Next, the knob was turned, slowly and uncertainly, as if by a child.— The Rich Little Poor Boy
He turned the knob, and the needle on the voltmeter moved obligingly upwards.— Damned If You Don't
After a time he released the door-knob, loosened his muffler, and sat down heavily, his eyes fixed on his wife's back After an interval, Mrs. Emery paused in the act of ringing up another number, looked over her shoulder, saw him there and inquired uneasily, "What are you waiting for?— The Squirrel-Cage
Shall I go Leaping forward he turned the knob, and in came Mrs. O'Dowd I've had the most wonderful basket sent me that ever began she; then her eye fell upon the hamper in the center of the floor.— Carl and the Cotton Gin
The absence of a tail-- for that member is represented only by a very small protuberance or "knob"--imparts a character of lightness to his body.— The Hunters' Feast Conversations Around the Camp Fire

American Heritage Dictionary (1)
Century Dictionary (2)
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