an electrical device that sends or receives radio or television signals
ラジオやテレビの信号を送受信する電気装置
aerial
existing or living or growing or operating in the air; "aerial roots of a philodendron"; "aerial particles"; "small aerial creatures such as butterflies"; "aerial warfare"; "aerial photography"; "aerial cable cars"
characterized by lightness and insubstantiality; as impalpable or intangible as air; "figures light and aeriform come unlooked for and melt away"- Thomas Carlyle; "aerial fancies"; "an airy apparition"; "physical rather than ethereal forms"