Definitions of sap

  1. To proceed by secretly undermining.
  2. To weaken; undermine.
  3. To subvert by digging or wearing away; to mine; to undermine; to destroy the foundation of.
  4. To pierce with saps.
  5. To make unstable or infirm; to unsettle; to weaken.
  6. To deprive of vitality; undermine; as, to sap one's strength; to dig beneath.
  7. To destroy by digging underneath: to undermine.
  8. To proceed by mining, or by secretly undermining; to execute saps.
  9. In the military sense, to approach the enemy's lines by digging a deep, narrow, concealed ditch at right angles to the front line.
  10. To proceed by undermining: pr. p. sapping; pa. t. and pa. p. sapped.
  11. deplete; " exhaust one's savings"; " We quickly played out our strength"
  12. To undermine; to subvert by digging or wearing away; to subvert by removing the foundation of.
  13. To subvert by digging or wearing away; to mine or undermine; to proceed by mining; to proceed secretly; to undermine, as one's reputation.
  14. Sapping.
  15. a person who lacks good judgment
  16. a watery solution of sugars, salts, and minerals that circulates through the vascular system of a plant
  17. The juice of plants of any kind, especially the ascending and descending juices or circulating fluid essential to nutrition.
  18. The sapwood, or alburnum, of a tree.
  19. A simpleton; a saphead; a milksop.
  20. A narrow ditch or trench made from the foremost parallel toward the glacis or covert way of a besieged place by digging under cover of gabions, etc.
  21. The watery circulating juice of a plant; the layer of soft wood next the bark of a tree; vitality; vital fluid; in the military sense, a deep, narrow, concealed ditch run towards an enemy's works.
  22. The vital juice of plants: ( bot.) the part of the wood next to the bark.
  23. An approach dug to a fortification under cover of gabions.
  24. SAPPER one who saps.
  25. The juice of plants; approach dug to a fortification.
  26. The juice of plants.
  27. Any vital fluid; vitality.
  28. A deep, narrow ditch in siege- works.
  29. The circulating juice of plants; vital fluid; the alburnum of a tree.
  30. A trench for undermining.
  31. The vital juice or circulating fluid of plants.
  32. The art of approaching a fortress, when within range of fire, by excavating trenches in such a manner as to protect the men from fire.
  33. Sapped.