Pronunciation: (trans-mit'ur, tranz-),[key] —n. 1. a person or thing that transmits.
2. Also called transmit'ting set".Radio.a device for sending electromagnetic waves; the part of a broadcasting apparatus that generates and modulates the radiofrequency current and conveys it to the antenna.
3. the part of a telephonic or telegraphic apparatus that converts sound waves or mechanical movements into corresponding electric waves or impulses.