Wiktionary
bascules
n. (plural of bascule English)
Usage examples of "bascules".
To our left, Tower Bridge rose high and proud, its bascules frozen open for all time, the river beneath flowing clear and pure in the sunlight.
She would have the privilege of pushing the lever that closed the open bascules.
Stone walls twenty feet high followed the contours of the ground for miles, bascules sprouting ominously every hundred yards.