Tight·en v. t. [imp. & p. p. Tightened p. pr. & vb. n. Tightening.] To draw tighter; to straiten; to make more close in any manner.
Just where I please, with tightened rein
I'll urge thee round the dusty plain. --Fawkes.
Tightening pulley Mach., a pulley which rests, or is forced, against a driving belt to tighten it.
v 1: make tight or tighter; "Tighten the wire" [syn: fasten]
2: become tight or tighter; "The rope tightened"
3: restrict; "Tighten the rules"; "stiffen the regulations"
[syn: stiffen, tighten up, constrain]
4: narrow or limit; "reduce the influx of foreigners" [syn: reduce]