present participle of sap

The act by which something is sapped or depleted. / The act of excavating trenches. / The act of being struck with a sap or club.

plural of sapping

(poetic) Full of sap; sappy; tasteful.

simple past tense and past participle of sap

Initialism of Scientific Advisory Panel. / (South Africa) Initialism of South African Police. / (South Africa, obsolete) Initialism of South Africa Party.

(Britain) Initialism of statutory adoption pay. Payments made by an employer to an employee who is absent from work after the adoption of a child. / (US, military) Initialism of special access program.

(countable, US, slang) A short wooden club; a leather-covered hand weapon; a blackjack.

(transitive) To drain, suck or absorb from (tree, etc.). / (transitive, figuratively) To exhaust the vitality of.

(military) 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.