Webster dictionary was developed by Noah Webster in the beginning of 19th century. On this website, you can find definition for antenna from the 1913 edition of Webster's Revised Unabridged Dictionary. Define antenna using one of the most comprehensive free online dictionaries on the web.

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antenna
Part of Speech: noun
Results: 1
1. 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.
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