noun. A weight used as a counterbalance.

noun. A force or influence equally counteracting another.

noun. A weight in the opposite scale; a counterpoise.

noun. A heavy mass of often iron or concrete, mechanically linked in opposition to a load which is to be raised and lowered, with the intent of reducing the amount of work which must be done to effect the raising and lowering. Counterweights are used, for example, in cable-hauled elevators and some kinds of movable bridges (e.g. a bascule bridge).

verb. To fit with a counterweight.

verb. constitute a counterweight or counterbalance to

noun. a weight that balances another weight

"When a suitable counterweight is added at one end so that the reaction on one fulcrum is zero, the block can be spun asymmetrically 180 degrees about the other, giving a horizontal displacement (here's the basic physics)."

counterbalance  oppose  

arroba  cogwheel  fifty-mile  highrise  leg-of-mutton  

act drop  asbestos  asbestos board  backdrop  balance  

counterweighted  counterweights