Fasten - Definition
fasten
v 1: cause to be firmly attached; "fasten the lock onto the
door"; "she fixed her gaze on the man" [syn: fasten,
fix, secure] [ant: unfasten]
2: become fixed or fastened; "This dress fastens in the back"
[ant: unfasten]
3: attach to; "They fastened various nicknames to each other"
4: make tight or tighter; "Tighten the wire" [syn: tighten,
fasten]