ˈbaˌskyül noun
( -s )
Etymology: French, seesaw, from Middle French, alteration (influenced by bas low) of earlier bacule, from baculer to punish by beating the buttocks against the ground, from bas low + cul buttocks — more at base , culet
: an apparatus or structure in which one end is counterbalanced by the other on the principle of the seesaw or by weights (as in a bascule bridge)