Emily Dickinson Lexicon

EX-E-CU'TION-ER, n.

1. One who executes; one who carries into effect a judgment of death; one who inflicts a capital punishment in pursuance of a legal warrant. It is chiefly used in this sense.
2. He that kills; he that murders. – Shak.
3. The instrument by which any thing is performed. – Crashaw.