Yes, link is a Scrabble word!

Verb

1. Make a logical or causal connection

2. Connect, fasten, or put together two or more pieces

3. Be or become joined or united or linked

4. Link with or as with a yoke

Noun

1. The means of connection between things linked in series

2. A fastener that serves to join or connect

3. The state of being connected

4. A connecting shape

5. A unit of length equal to 1/100 of a chain

6. (computing) an instruction that connects one part of a program or an element on a list to another program or list

7. A channel for communication between groups

8. A two-way radio communication system (usually microwave); part of a more extensive telecommunication network

9. An interconnecting circuit between two or more locations for the purpose of transmitting and receiving data