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sapid
sapient
Sapir-Whorf hypothesis
sapling
sapodilla
saponify
saponin
saponite
sapote
sappanwood
sapper
Sapphic
sapphire
sapphirine
sapphism
Sapporo
sappy
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sap (2)

sap [ sap ]


noun  (plural saps)
Definition:
 
tunnel leading to enemy: a covered trench, dug to approach or get inside enemy territory



verb  (past and past participle sapped, present participle sap·ping, 3rd person present singular saps)
Definition:
 
1. intransitive verb dig sap: to dig a covered trench to approach or get inside enemy territory

2. transitive verb tunnel under fortifications: to weaken the foundations of an enemy fortification with a tunnel

3. transitive verb take away somebody's energy: to gradually weaken or reduce something, especially somebody's strength or energy
The long hours were sapping his strength.

[Late 16th century. Via French and Italian< late Latin sappa]
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