1 a short shaft or pin supporting something that turns; fulcrum
2 the end of a shaft or arbor that terminates in a bearing
3 a person or thing upon which progress, success, etc., depends
4 the person or position from which a military formation takes its reference, as when altering position
5 tr to mount on or provide with a pivot or pivots
6 intr to turn on or as if on a pivot (C17: from Old French; perhaps related to Old Provençal pua tooth of a comb)
n another name for →
n (Psychol) a loose grammar said to govern two-word utterances by children
English Collins Dictionary - English Definition & Thesaurus
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"Collins English Dictionary 5th Edition first published in 2000 © HarperCollins Publishers 1979, 1986, 1991, 1994, 1998, 2000 and Collins A-Z Thesaurus 1st edition first published in 1995 © HarperCollins Publishers 1995"