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plural sheaves
A wheel having a groove in the rim for a rope to work in, and set in a block, mast, or similar; the wheel of a pulley. quotations examples
To an exceptional degree the duties on these inclines have been passed on from father to son; many a boy has begun his working life in oiling the sheaves and, after passing through every grade, has reached the age of retirement in the responsible position of brakesman.
1942 September and October, Charles E. Lee, “The Stanhope & Tyne Railway: II–Self-Acting Inclines”, in Railway Magazine, page 263
A sliding scutcheon for covering a keyhole. examples
third-person singular simple present sheaves, present participle sheaving, simple past and past participle sheaved
To gather and bind into a sheaf. quotations examples
From him did forty million serfs (...) receive / Rich freeborn lifelong land, whereon to sheave / Their country's harvest.
Dante Gabriel Rossetti, Czar Alexander the Second, lines 1-4