English Reference
Noun

executor

n.
C1 Advanced US /ɪɡˈzɛkjətɝ/ UK /ɛɡzˈɛkjuːtɐ/ ex·ecu·tor UK spelling executor's, executor's Computing Law

n.a person or computer program that carries out a specific task or follows a set of instructions. In computing, it is often a small program that runs a larger one.

n.a person or agent that carries out a task or follows a set of instructions. In a technical context, refers to a small program that executes a larger program or a specific command.


SIMPLE

The executor runs the main program when you click the button.

CONTEXTUAL

The operating system uses a small executor to manage the execution of complex applications without overloading the CPU.

COMPLEX

In distributed computing, the executor is responsible for maintaining the state of the application across multiple nodes, ensuring that tasks are completed even if one server fails.

It was all down to the executors of the will.” Despite her reluctance to move into Garden Lodge, it gave her huge comfort.

The Guardian· 1 Sept 2026

Your will also nominates an executor, who is responsible for administering your estate (the assets and debts you leave behind) and carrying out its instructions.

Phys.org· 28 Aug 2026

From Middle English executour, from Anglo-Norman executour, from Latin exsecūtor, agent noun of exsequor.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin Latin exsecūtor
Level C1 · Advanced
Frequency Occasional
Updated