WordNet sense 1 (an electrical device that sends or receives radio or television signals):

antenna, transmitting aerial

WordNet sense 2 (relating to or characteristic of or occurring in the air):

air

WordNet sense 3 (characterized by lightness and insubstantiality; as impalpable or intangible as air):

airy, ethereal, aeriform, aery

WordNet sense 4 (lacking material form or substance; unreal):

unreal

WordNet sense 5 (a pass to a receiver downfield from the passer):

forward pass