from The American Heritage® Dictionary of the English Language, 4th Edition
- transitive v. To counterbalance.
- transitive v. To give equal balance or weight to.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To counterbalance.
from the GNU version of the Collaborative International Dictionary of English
- intransitive v. To be equal in weight; to weigh as much as another thing.
- transitive v. To make equal in weight; to counterbalance.
from The Century Dictionary and Cyclopedia
- To be equal in weight; weigh as much as another thing.
- To weigh as much as in an opposite scale; counterbalance.
Medieval Latin aequiponderāre, aequiponderāt- : Latin aequi-, equi- + Latin ponderāre, to weigh; see (s)pen- in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)