Definition of bascule in English:

bascule

Syllabification: bas·cule
Pronunciation: /ˈbaskyo͞ol
 
/
(also bascule bridge)

noun

1A type of bridge with a pivoting section that is raised and lowered using counterweights.
More example sentences
  • This was the first use of a V-shaped pier on a bascule bridge, and it provided several advantages, including less restricted views of the water due to the openness of the pier, larger transverse openings, and improved span proportions.
  • As the procession moved up river, Tower Bridge raised its bascules in tribute while gun salutes came from the Tower of London and HMS Belfast.
  • Eight bascule bridges intersect with the upper roadway, as do two elevated transit lines - and 60,000 pedestrians on the Loop.
1.1A moveable section of road forming part of a bascule bridge.

Origin

late 19th century: earlier denoting a lever apparatus of which one end is raised while the other is lowered, from French (earlier bacule), 'seesaw', from battre 'to bump' + cul 'buttocks'.

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