Dictionary
bas•cule
Pronunciation: (bas'kyOOl), [key]—
n. Civ. Engin.
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.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.