Definition of whims:
(n) :
A fanciful impulse, or sudden change of idea.
(v) :
(rare, intransitive) To be seized with a whim; to be capricious.
(n) :
A bird, the Eurasian wigeon.
(n) :
(mining) A large capstan or vertical drum turned by horse power or steam power, for raising ore or water, etc., from mines, or for other purposes
(n) :
(astronomy) Initialism of warm-hot intergalactic medium. [(astronomy) A sparse, warm-to-hot (10⁵ to 10⁷ K) plasma that cosmologists believe to exist in the spaces between galaxies and to contain 40–50% of the baryons in the universe at the current epoch.]