English definition of Antenna

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Definition of antenna

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Antenna (n.) 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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Antenna :: Antenna (n.) 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..

Redhorn :: Redhorn (n.) Any species of a tribe of butterflies (Fugacia) including the common yellow species and the cabbage butterflies. The antennae are usually red.

Insecta :: Insecta (n. pl.) One of the classes of Arthropoda, including those that have one pair of antennae, three pairs of mouth organs, and breathe air by means of tracheae, opening by spiracles along the sides of the body. In this sense it includes the Hexapoda, or six-legged insects and the Myriapoda, with numerous legs. See Insect, n..

Subuliform :: Subulicornes (n. pl.) A division of insects having slender or subulate antennae. The dragon flies and May flies are examples.

Frogfish :: Frogfish (n.) An oceanic fish of the genus Antennarius or Pterophrynoides; -- called also mousefish and toadfish.

Tunicated :: Tunicated (a.) Having each joint buried in the preceding funnel-shaped one, as in certain antennae of insects..

Biserrate :: Biserrate (a.) Serrate on both sides, as some antennae..

Preocular :: Preocular (a.) Placed just in front of the eyes, as the antennae of certain insects..

Scyllarian :: Scyllarian (n.) One of a family (Scyllaridae) of macruran Crustacea, remarkable for the depressed form of the body, and the broad, flat antennae. Also used adjectively..

Rhopalocera :: Rhopalocera (n. pl.) A division of Lepidoptera including all the butterflies. They differ from other Lepidoptera in having club-shaped antennae.

Ischiocerite :: Ischiocerite (n.) The third joint or the antennae of the Crustacea.

Extra-ocular :: Extra-ocular (a.) Inserted exterior to the eyes; -- said of the antennae of certain insects.

Lamellicorn :: Lamellicorn (a.) Having antennae terminating in a group of flat lamellae; -- said of certain coleopterous insects.

Incrassated :: Incrassated (a.) Swelled out on some particular part, as the antennae of certain insects..

Dentated :: Dentated (a.) Having teeth or toothlike points. See Illust. of Antennae.

Antennal :: Antennal (a.) Belonging to the antennae.

Nodose :: Nodose (a.) Having nodes or prominences; having the alternate joints enlarged, as the antennae of certain insects..

Brachyceral :: Brachyceral (a.) Having short antennae, as certain insects..

Heterocera :: Heterocera (n. pl.) A division of Lepidoptera, including the moths, and hawk moths, which have the antennae variable in form..

Palpicorn :: Palpicorn (n.) One of a group of aquatic beetles (Palpicornia) having short club-shaped antennae, and long maxillary palpi..