bascule
n. எடைக்கட்டு இயக்கக்கருவி, ஒருமுணை ஏறும் போது மறுமுனை தாழுகிற நெம்பு அமைபு.
Bas"cule, n. Etym: [F., a seesaw.] Defn: In mechanics an apparatus on the principle of the seesaw, in which one end rises as the other falls. Bascule bridge, a counterpoise or balanced drawbridge, which is opened by sinking the counterpoise and thus lifting the footway into the air.