- an introduction to a subject
- the connection between a radio transmitter, receiver, etc, and the aerial or transmission line
WordReference Random House Unabridged Dictionary of American English © 2026
lead-in
(lēd′in′),USA pronunciation n.
adj.
- something that leads in or introduces;
introduction;
opening. - [Radio, Television.]
- Radio and Televisionthe connection between an antenna and a transmitter or receiving set.
- Show Businessthe portion of a program or script that precedes or introduces a commercial.
adj.
- Electricity(of a conductor) carrying input to an electric or electronic device or circuit, esp. from an antenna.
- noun, nominal, adjective, adjectival use of verb, verbal phrase lead in 1910–15
Collins Concise English Dictionary © HarperCollins Publishers::
lead-in /ˈliːdˌɪn/ n
'lead in' also found in these entries (note: many are not synonyms or translations):