tightener pulley
1Tightener — Tight en*er, n. That which tightens; specifically (Mach.), a tightening pulley. [1913 Webster] …
2tightener — t(ə)nə(r) noun ( s) : one that tightens; often : an idle pulley or a sprocket wheel pressed against a belt, band, rope, or chain to tighten it called also tightening pulley …
3tightening pulley — noun see tightener …
4tool — I (New American Roget s College Thesaurus) n. instrument, implement, utensil, device, machine; cat s paw, dupe, henchman, intermediary. See instrumentality. II (Roget s IV) n. 1. [An implement] Syn. implement, utensil, machine, instrument,… …
