bascule

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bascule

1. a bridge with a movable section hinged about a horizontal axis and counterbalanced by a weight
2. a movable roadway forming part of such a bridge

Bascule

A structure that rotates about an axis, as a seesaw, with a counterbalance equal to the weight of the structure at one end, used for movable bridges.

bascule

[′ba‚skül]
(engineering)
A structure that rotates about an axis, as a seesaw, with a counterbalance (for the weight of the structure) at one end.

bascule

A structure that moves about a horizontal axis, as a seesaw, with a counterbalance at one end.