snail-horn

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• horn — [hôrn] n. [ME < OE, akin to Ger < IE base * k̑er , upper part of the body, head > L cornu, Gr keras] 1. a) a hard, hollow, bony or keratinous, permanent projection that grows on the head of various hoofed animals, esp. bovid ruminants b) …   English World dictionary

• Horn (acoustic) — A horn is a tapered sound guide designed to provide an acoustic impedance match between a sound source and free air. This has the effect of maximising the efficiency with which sound waves from the particular source are transferred to the air.… …   Wikipedia

• horn — horn1 [ho:n US ho:rn] n ↑hoof, ↑horn ▬▬▬▬▬▬▬ 1¦(animal)¦ 2¦(on a car)¦ 3¦(musical instrument)¦ 4 drinking horn/powder horn etc 5 draw/pull in your horns 6 be on the horns of a dilemma ▬▬▬▬▬▬▬ [: Old English;] 1.) …   Dictionary of contemporary English

• horn — n. & v. n. 1 a a hard permanent outgrowth, often curved and pointed, on the head of cattle, rhinoceroses, giraffes, and other esp. hoofed mammals, found singly, in pairs, or one in front of another. b the structure of a horn, consisting of a core …   Useful english dictionary

• horn — 1 noun 1 OF AN ANIMAL (C) one of the pair of hard pointed parts that grow on the heads of cows, goats, and other animals 2 SUBSTANCE (U) a) the substance that animals horns are made of: a knife with a horn handle b) (C) a part of an animal s head …   Longman dictionary of contemporary English

• horn — noun 1》 an outgrowth of bone encased in hardened skin, often curved and pointed, found in pairs on the heads of cattle, sheep, goats, etc.     ↘a hardened woolly outgrowth occurring singly or one behind another on the snout of a rhinoceros.… …   English new terms dictionary

• horn shell — noun : a snail of the genus Cerithidea * * * n. a mollusk with a long tapering shell, occurring in brackish and marine waters. ● Families Potamididae and Cerithidae, class Gastropoda …   Useful english dictionary

• Ramshorn snail — The term ramshorn snail is used in the aquarium trade to describe any kind of snail whose shell is planispiral, meaning that it is a flat coil. Such shells resemble a coil of rope, or (as the name suggests) a ram s horn.Physical descriptionMost… …   Wikipedia

• Vehicle horn — Klaxon redirects here. For the English dance punk band, see Klaxons. A single reed bulb horn. A vehicle horn is a sound making device used to warn others of the approach of the vehicle or of its presence. Automobiles, trucks, ships, and trains… …   Wikipedia

• ram's-horn snail — «RAMZ HRN», a freshwater snail with a flat coiled shell, commonly found in aquariums …   Useful english dictionary