aerial

Concise Oxford English Dictionary © 2008 Oxford University Press:
aerial /ˈɛːrɪəl/

▶noun

• 1 a structure that transmits or receives radio or television signals.

• 2 (aerials) a type of freestyle skiing in which the skier jumps from a ramp and carries out manoeuvres in the air.

▶adjective

• 1 existing or taking place in the air or atmosphere.

  ■ (of a bird) spending much of its time in flight.

• 2 involving the use of aircraft.

• 3 (of a part of a plant) growing above ground.

– derivatives
aeriality noun,
aerially adverb.

– origin C16: via L. aerius from Gk aerios (from aēr ‘air’) + -al.