downleadn.
/ˈdaʊnliːd/, U.S. /ˈdaʊnˌlid/ An electrical lead that connects an aerial to a receiver or transmitter, esp. from the outside to the inside of a building; a lead-in.
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society > communication > telecommunication > radio communications > radio equipment > [noun] > aerial > parts of
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1910 U.S. Patent 945,475 1/2 Should it..be desired to bring the aerial down leads down around the outside of the tower the metallic insulated ladder and the auxiliary leads would of course be omitted.
1925 Harmsworth's Wireless Encycl. 729/1 Where the down lead enters the house care must be taken to secure perfect insulation.
1952 E. A. Laport Radio Antenna Engin. i. 38 The antenna consists of a large elevated capacitance area with two or more down leads that are tuned individually.
2012 South Wales Echo (Nexis) 26 Apr. 28 The downleads from the two aerials can be combined in a simple box costing about £4 to give perfect vision on all channels.
This entry has been updated (OED Third Edition, December 2018; most recently modified version published online March 2022).
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n.1910