noun
Meaning 1
A knob attached to the steering wheel of a motor vehicle or tractor, especially before the widespread availability of power steering, helping the driver steer with one arm, especially when the steering effort is hardest (for example, while backing up with a trailer and the vehicle is nearly stationary).
Definition source: English Wiktionary via Wiktextract
Usage: dated
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: granny knob, suicide knob, wheel spinner, necker's knob, necker knob
Antonyms: none provided