whip-round

n (Brit infml 口) appeal for contributions from a group of people 募捐; 凑份子: a whip-round for (a Christmas present for) the office cleaners 为办公室清洁工凑份子（买圣诞礼物）.

whetstone, whew (also phew), whey, which, whichever, whiff, while, while away, whilist, whilst, whim, whimper, whimsical, whimsicality, whimsically, whimsy, whin, whine, whinny, whip, whipcord, whiplash, whipper-in, whipper-snapper, whippet, whipping, whipping cream, whipping-boy, whippy, whirl, whirligig, whirlpool, whirlwind, whirr (also esp US whir), whisk, whisker, whiskered, whisky, whisper, whispering campaign,