sash weight

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sash weight

n
(Building) a weight used to counterbalance the weight of a sliding sash in a sash window and thus hold it in position at any height
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.sash weight - a counterweight for a sliding sash
counterbalance, counterpoise, counterweight, equaliser, equalizer, balance - a weight that balances another weight