Webster's Revised Unabridged Dictionary · 1913

Destructor

Destructor , noun

[Latin, from destruere. See Destroy, and compare Destroyer.]

1.
A destroyer. [Rare]
Fire, the destructor and the artificial death of things. — Boyle
2.
(Sewage Disposal) A furnace or oven for the burning or carbonizing of refuse
(Sewage Disposal) a furnace (called in full refuse destructor) in which the more solid constituents of sewage are burnt. Destructors are often so constructed as to utilize refuse as fuel.
3.
(Computers) in object-oriented programming, a function which destroys an object which was previously created by a different function.