from The American Heritage® Dictionary of the English Language, 4th Edition
- transitive v. To counterbalance or cause to counterbalance.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To act as counterbalance (against something).
- v. To counterbalance; to balance out.
from the GNU version of the Collaborative International Dictionary of English
- transitive v. To weigh against; to counterbalance.
from The Century Dictionary and Cyclopedia
- To weigh against; counterbalance; counterpoise.
- To have a counterbalancing effect.
From counter- + weigh, under the influence Anglo-Norman contrepeser ("to counterpoise"). (Wiktionary)