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A device or structure, such as a drawbridge, counterbalanced so that when one end is lowered the other is raised.
1. (Civil Engineering) Also called: balance bridge or counterpoise bridge a bridge with a movable section hinged about a horizontal axis and counterbalanced by a weight. Compare drawbridge
2. (Civil Engineering) a movable roadway forming part of such a bridge: Tower Bridge has two bascules.
[C17: from French: seesaw, from bas low + cul rump; see base2, culet]
a device operating like a balance or seesaw, esp. an arrangement of a movable bridge (bas′cule bridge`) by which the rising floor or section is counterbalanced by a weight.
[1670–80; French; Middle French bacule]
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|Noun||1.||bascule - a structure or device in which one end is counterbalanced by the other (on the principle of the seesaw)|
n → Brückenklappe f; bascule bridge → Klappbrücke f