Noun
feedhorn (plural feedhorns)
A horn antenna used to convey electromagnetic waves between the transceiver and the reflector.
This is called the low-noise blockconverter (LNB), and the unit consisting of the horn plus the converter is called the LNB with feedhorn (LNBF). Source: Internet
On a satellite dish, the feedhorn is what is mounted at the end of a mast from the center of the dish, or on tripod legs mounted to the edge of the dish. Source: Internet
The polarity of each shot can be changed by adjusting the "feedhorn" to a vertical or horizontal position. Source: Internet