WordReference Random House Unabridged Dictionary of American English © 2026
re•per•fo•ra•tor
(rē pûr′fə rā′tər),USA pronunciation n.
- Telecommunications(esp. in teletype transmission) a machine for punching a duplicate perforated paper tape of incoming messages so that they may later be retransmitted: used for automatic typesetting.
- re- + perforator 1915–20