whip–round 
/ˈwɪpˌraʊnd/ noun
plural whip–rounds /ˈwɪpˌraʊnd/ noun [count] Brit, informal : a collection of money from a group of people that is used to pay for something, buy a gift, make a donation, etc.
▪ We had a whip-round at the office to buy our secretary a retirement present.
▪ We had a whip-round at the office to buy our secretary a retirement present.
