v.1. To collaborate or team up: The two minority parties linked up to oppose the ruling party. Two popular bands have linked up for a nationwide tour.
2. To introduce someone into a relationship or collaboration with others: Can you link me up with a good financial adviser? I linked them up last year and now they are partners. The convention links up buyers and sellers.
3. To join together: The two trains linked up to form one long train. This road links up with the highway in six miles.
4. To connect something with some other thing: We linked the trailer up to the truck. I linked up four extension cords and plugged the vacuum cleaner in. They linked the computers up so that they could share files.
5. To meet with someone, especially in order to do something: Let's link up next week and discuss the report. I linked up with my friends after the concert.