whose S2 W1 /huːz/ BrE AmE determiner , pronoun
[ Language: Old English ; Origin: hwæs , from hwa ; ⇨ ↑ WHO ]
1 . used to ask which person or people a particular thing belongs to:
Whose is this?
Whose keys are those?
2 . used to show the relationship between a person or thing and something that belongs to that person or thing:
That’s the man whose house has burned down.
Solar energy is an idea whose time has come.
3 . used to give additional information about a person or thing:
Jurors, whose identities will be kept secret, will be paid $40 a day.