Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

WORD ORIGIN

1933, from key (n.1) + punch (v.).

MORE RELATED WORDS FOR KEY PUNCHER

hacker

nounsomeone proficient at computers, especially a hobbyist
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.