To make unstable or infirm; to unsettle; to weaken.
To subvert by digging or wearing away; to mine; to undermine; to destroy the foundation of.
To proceed by mining, or by secretly undermining; to execute saps.
To gradually weaken.
To strike with a sap (with a blackjack).
To exhaust the vitality of.
To pierce with saps.
To drain, suck or absorb from (tree, etc.).
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.
The sapwood, or alburnum, of a tree.
The juice of plants of any kind, especially the ascending and descending juices or circulating fluid essential to nutrition.
Vitality.
A naive person; a simpleton
Any juice.
A short wooden club; a leather-covered hand weapon; a blackjack.
To spark a response, especially a negative emotional response, in (someone).
To fire a weapon.
To initiate something.
To activate; to become active.
An electronic transducer allowing a drum, cymbal, etc. to control an electronic drum unit or similar device.
An event, experience or other stimulus that initiates a traumatic memory or a strong reaction in a person.
An SQL procedure that may be initiated when a record is inserted, updated or deleted; typically used to maintain referential integrity.
A concept or image that upsets somebody by sparking a negative emotional response.
A similar device used to activate any mechanism.
An event that initiates others, or incites a response.
A pulse in an electronic circuit that initiates some component.
A text string that, when received by a player, will cause the player to execute a certain command.
A device that manually lengthens (or sometimes shortens) the slide or tubing of a brass instrument, allowing the pitch range to be altered while playing.
A finger-operated lever used to fire a gun.