Definition for SAP

SAP, v.t. [Fr. saper; It. zappare; Arm. sappa; It. zappa, a spade; zappone, a mattock. The primary sense is probably to dig or to thrust.]

  1. To undermine; to subvert by digging or wearing away; to mine. Their dwellings were sapp'd by floods. – Dryden.
  2. To undermine; to subvert by removing the foundation of. Discontent saps the foundation of happiness. Intrigue and corruption sap the constitution of a free government.

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