three-way
adjective[before noun]
ukusinvolvingthreepeople,groups,systems,directions, etc.:
a three-way battle/bidding war/contestThey are in a three-waybattletobuyastakein the Football Club.
Thephonehas achoiceoffeaturessuch as call-waiting,callforwarding, and three-waycalling.
a three-way agreement/alliance/dealIt could takemonthstocompletethe three-waydeal.
a three-way merger/spiltHedevisedthe firm's three-waysplitintoseparatemining,hotels, andtradingfirms.