1 join or link or tie (together), unite:
An old road connects the two towns.
2 associate, affiliate, link, relate, league, tie (in):
The police connected him with the break-in. The institute is connected with a pharmaceuticals company.
3 fasten, bind, unite, tie, link, join, attach, couple, put together, secure, fit, fix, affix, stick, anchor, lock; rivet, weld, braze, solder, screw, nail, stitch, sew, pin, hook, staple, tack, glue, cement, fuse, seal, buckle, strap, bolt, lash, chain, moor:
Connect the parts to the frame.