conical horn

conical horn

[′kän·ə·kəl ′hȯrn]
(acoustics)
A horn having a circular cross section and straight sides.
References in periodicals archive ?
Conical horn antennas are normally excited by circular waveguides.
He's horsy looking with small conical horns, as smart and cagey as a whitetail, fast on his feet and tenacious of life.