Search the Dictionary

A more or less elongated process or organ, simple or branched, proceeding from the head or cephalic region of invertebrate animals, being either an organ of sense, prehension, or motion. Tentacle sheath (Zoöl.), a sheathlike structure around the base of the tentacles of many mollusks.

usually in the form of a flat stratum or expansion, but sometimes erect or pendulous, and elongated and branching, and forming the substance of the thallogens.

merican arboreal porcupines belonging to the genera Chætomys and Sphingurus. They have an elongated and somewhat prehensile tail, only four toes on the hind feet, and a body covered with short spines mixed with bristles. One South American species (S. villosus) is called also couiy; another (S. prehensilis) is called a…

Oblong or elongated, and having three lateral angles; as, a triangular seed, leaf, or stem. Triangular compasses, compasses with three legs for taking off the angular points of a triangle, or any three points at the same time. -- Triangular crab (Zoöl.), any maioid crab; -- so called because the carapace is usually tr…

In a single-acting engine, an elongated hollow piston, open at the end, in which the end of the connecting rod is pivoted. The piston rod, crosshead and stuffing box are thus dispensed with.

Made in the form of a small tube; provided with a tube, or elongated opening. Tubulated bottle or retort (Chem.), a bottle or retort having a stoppered opening for the introduction or removal of materials.

spiral marine gastropod belonging to Turritella and allied genera. These mollusks have an elongated, turreted shell, composed of many whorls. They have a rounded aperture, and a horny multispiral operculum.

One of the elongated incisor or canine teeth of the wild boar, elephant, etc.; hence, any long, protruding tooth.

ny one of numerous species of small land snails belonging to the genus Vertigo, having an elongated or conical spiral shell and usually teeth in the aperture.

arnivores belonging to the genus Putorius, as the ermine and ferret. They have a slender, elongated body, and are noted for the quickness of their movements and for their bloodthirsty habit in destroying poultry, rats, etc. The ermine and some other species are brown in summer, and turn white in winter; others are brow…

Any one of numerous species of snout beetles, or Rhynchophora, in which the head is elongated and usually curved downward. Many of the species are very injurious to cultivated plants. The larvæ of some of the species live in nuts, fruit, and grain by eating out the interior, as the plum weevil, or curculio, the nut wee…

A more or less elongated mark raised by a stroke; also, a similar mark made by any cause; a weal; a wale.

Having elongated hairs, feathers, or bristles on the cheeks. The whiskered vermin race. Grainger.

ees and shrubby plants, and is found to a less extent in herbaceous stems. It consists of elongated tubular or needle-shaped cells of various kinds, usually interwoven with the shinning bands called silver grain.

Any one of several species of large, elongated, marine fishes of the genus Cryptacanthodes, especially C. maculatus of the American coast. A whitish variety is called ghostfish.

A small, edible, freshwater European perch (Aspro zingel), having a round, elongated body and prominent snout.

ing numerous species, found mostly in tropical seas. The zooids or polyps resemble small, elongated actinias united together at their bases by fleshy stolons, and thus forming extensive groups. The tentacles are small and bright colored.

the zodiac; as, the zodiacal planets. Zodiacal light, a luminous tract of the sky, of an elongated, triangular figure, lying near the ecliptic, its base being on the horizon, and its apex at varying altitudes. It is to be seen only in the evening, after twilight, and in the morning before dawn. It is supposed to be du…