Main Entry: whim

Pronunciation: \ˈhwim, ˈwim\

Function: noun

Etymology: short for whim-wham

Date: 1686

1 : a capricious or eccentric and often sudden idea or turn of the mind : fancy <quit his job on a whim>
2 : a large capstan that is made with one or more radiating arms to which a horse may be yoked and that is used in mines for raising ore or water

synonyms see caprice