A person who carries out some task. / (computing) A component of a system that executes or runs something. / (law) Someone appointed by a testator to administer a will; an administrator.

plural of executor

An executor or administrator appointed to administer the estate of a deceased who did not leave a valid will.

An executor or administrator appointed to administer the estate of a deceased who left a valid will.

plural of dative executor

plural of nominate executor

(law) A person acting on behalf of beneficiaries (e.g. family members, a designated charity, a research library or archive) under the author's will.

(law) A person who, without legal authority, assumes control of a deceased person's property as if they were executor.

plural of executor de son tort

Of or pertaining to administration or execution. / (law) Yet to be completed; not fully executed, performed or carried out; lacking in execution, unfulfilled; so, yet to take effect.