ANTENNA
\antˈɛnə], \antˈɛnə], \a_n_t_ˈɛ_n_ə]\
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A movable, articulated organ of sensation, attached to the heads of insects and Crustacea. There are two in the former, and usually four in the latter. They are used as organs of touch, and in some species of Crustacea the cavity of the ear is situated near the basal joint. In insects, they are popularly called horns, and also feelers. The term in also applied to similar organs on the heads of other arthropods and of annelids.
By Oddity Software
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A movable, articulated organ of sensation, attached to the heads of insects and Crustacea. There are two in the former, and usually four in the latter. They are used as organs of touch, and in some species of Crustacea the cavity of the ear is situated near the basal joint. In insects, they are popularly called horns, and also feelers. The term in also applied to similar organs on the heads of other arthropods and of annelids.
By Noah Webster.
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One of the jointed horns or feelers upon the heads of insects; a framework of wires supported in the air for sending and receiving the electric waves of wireless telegraphy.
By William Dodge Lewis, Edgar Arthur Singer
By James Champlin Fernald
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