1. [n]  a piece of metal covered by leather with a flexible handle; used for hitting people
2. [n]  a person who lacks good judgment
3. [n]  a watery solution of sugars, salts, and minerals that circulates through the vascular system of a plant
4. [v]  excavate the earth beneath
5. [v]  deplete; "exhaust one's savings"; "We quickly played out our strength"

Sap
Description not available.

more details ...

1. \Sap\, n. [AS. s[ae]p; akin to OHG. saf, G. saft, Icel.
   safi; of uncertain origin; possibly akin to L. sapere to
   taste, to be wise, sapa must or new wine boiled thick. Cf.
   {Sapid}, {Sapient}.]
   1. The juice of plants of any kind, especially the ascending
      and descending juices or circulating fluid essential to
      nutrition.
   Note: The ascending is the crude sap, the assimilation of
         which takes place in the leaves, when it becomes the
         elaborated sap suited to the growth of the plant.
   2. The sapwood, or alburnum, of a tree.
   3. A simpleton; a saphead; a milksop. [Slang]
   {Sap ball} (Bot.), any large fungus of the genus Polyporus.
      See {Polyporus}.
   {Sap green}, a dull light green pigment prepared from the
      juice of the ripe berries of the {Rhamnus catharticus}, or
      buckthorn. It is used especially by water-color artists.
   {Sap rot}, the dry rot. See under {Dry}.
   {Sap sucker} (Zo["o]l.), any one of several species of small
      American woodpeckers of the genus {Sphyrapicus},
      especially the yellow-bellied woodpecker ({S. varius}) of
      the Eastern United States. They are so named because they
      puncture the bark of trees and feed upon the sap. The name
      is loosely applied to other woodpeckers.
   {Sap tube} (Bot.), a vessel that conveys sap.
   

2. \Sap\, v. t. [imp. & p. p. {Sapped}; p. pr. & vb. n.
   {Sapping}.] [F. saper (cf. Sp. zapar, It. zapare), fr. sape a
   sort of scythe, LL. sappa a sort of mattock.]
   1. To subvert by digging or wearing away; to mine; to
      undermine; to destroy the foundation of.
            Nor safe their dwellings were, for sapped by floods,
            Their houses fell upon their household gods.
                                                  --Dryden.
   2. (Mil.) To pierce with saps.
   3. To make unstable or infirm; to unsettle; to weaken.
            Ring out the grief that saps the mind. --Tennyson.
   

3. \Sap\, v. i.
   To proceed by mining, or by secretly undermining; to execute
   saps. --W. P. Craighill.
         Both assaults are carried on by sapping. --Tatler.
   

4. \Sap\, n. (Mil.)
   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.
   {Sap fagot} (Mil.), a fascine about three feet long, used in
      sapping, to close the crevices between the gabions before
      the parapet is made.
   {Sap roller} (Mil.), a large gabion, six or seven feet long,
      filled with fascines, which the sapper sometimes rolls
      along before him for protection from the fire of an enemy.
   

1. SAP AG (Systems, Applications and Products in Data Processing).

2. Service Advertising Protocol.

3. Service Access Point.

4. Symbolic Assembler Program.