Sapping

noun
1.
the juice or vital circulating fluid of a plant, especially of a woody plant.
2.
any vital body fluid.
3.
energy; vitality.
4.
sapwood.
5.
Slang. a fool; dupe.
6.
Metallurgy. soft metal at the core of a bar of blister steel.
verb (used with object), sapped, sapping.
7.
to drain the sap from.
noun
1.
Fortification. a deep, narrow trench constructed so as to form an approach to a besieged place or an enemy’s position.
verb (used with object), sapped, sapping.
2.
Fortification.

to approach (a besieged place or an enemy position) by means of deep, narrow trenches protected by gabions or parapets.
to dig such trenches in (ground).

3.
to undermine; weaken or destroy insidiously.
verb (used without object), sapped, sapping.
4.
Fortification. to dig a sap.
noun
1.
a solution of mineral salts, sugars, etc, that circulates in a plant
2.
any vital body fluid
3.
energy; vigour
4.
(slang) a gullible or foolish person
5.
another name for sapwood
verb (transitive) saps, sapping, sapped
6.
to drain of sap
noun
1.
a deep and narrow trench used to approach or undermine an enemy position, esp in siege warfare
verb saps, sapping, sapped
2.
to undermine (a fortification, etc) by digging saps
3.
(transitive) to weaken
abbreviation
1.
South African Police
noun acronym (in Britain)
1.
Standard Assessment Procedure, the recognized performance indicator for measuring energy efficiency in buildings
sap
(sāp)

The watery fluid that circulates through a plant that has vascular tissues. Sap moving up the xylem carries water and minerals, while sap moving down the phloem carries water and food.

See cell sap.

sap 1
sap 2
SAP
1.
service access point
2.
soon as possible (shortwave transmission)