Definition of "directional microphone" []

• A microphone that is designed to receive sound from a particular direction (noun)

WordNet. Princeton University. 2010.

• "He was too far away to hear the screams himself, but his directional microphone aimed at the scene picked up the shouts of the agents trying to brave the flames and the anguish in Greenfield’s voice in the intercepted phone calls demanding local firefighting assistance."