linear perch

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• perch — perch1 [pʉrch] n. pl. perch or perches [ME perche < OFr < L perca < Gr perkē < IE base * perk̑ , speckled, colorful > Ger farbe, color, OE forn, trout] 1. any of a family (Percidae) of small, spiny finned, freshwater, percoid food… …   English World dictionary

• perch — perch1 perchable, adj. /perrch/, n. 1. a pole or rod, usually horizontal, serving as a roost for birds. 2. any place or object, as a sill, fence, branch, or twig, for a bird, animal, or person to alight or rest upon. 3. a high or elevated… …   Universalium

• perch — I. /pɜtʃ / (say perch) noun 1. a pole or rod usually fixed horizontally to serve as a roost for birds. 2. any thing or place serving for a bird, or for anything else, to alight or rest upon. 3. an elevated position or station. 4. a small elevated …  

• perch — {{11}}perch (n.1) where a bird rests, late 13c., a pole, rod, stick, stake, from O.Fr. perche unit of linear measurement (5.5 yards), also measuring rod, pole, bar used to measure this length (13c.), from L. pertica pole, long staff, measuring… …   Etymology dictionary

• perch — I [[t]pɜrtʃ[/t]] n. 1) a pole or rod, serving as a roost for birds 2) any place or object for a bird, animal, or person to alight or rest upon 3) a high or elevated position, resting place, or the like 4) trs a small, elevated seat for the driver …   From formal English to slang

• linear measure — noun a unit of measurement of length • Syn: ↑linear unit • Hypernyms: ↑unit of measurement, ↑unit • Hyponyms: ↑long measure, ↑astronomy unit, ↑ …   Useful english dictionary

• linear unit — noun a unit of measurement of length • Syn: ↑linear measure • Hypernyms: ↑unit of measurement, ↑unit • Hyponyms: ↑long measure, ↑astronomy unit, ↑ …   Useful english dictionary

• rod — rodless, adj. rodlike, adj. /rod/, n., v., rodded, rodding. n. 1. a stick, wand, staff, or the like, of wood, metal, or other material. 2. a straight, slender shoot or stem of any woody plant, whether still growing or cut from the plant. 3. See… …   Universalium

• English unit — is the American name for a unit in one of a number of systems of units of measurement, some obsolete, and some still in use in present day USA, the UK, and elsewhere. The modern United States customary units system as a whole is not, and has… …   Wikipedia

• Life Sciences — ▪ 2009 Introduction Zoology       In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …   Universalium

• bird — birdless, adj. /berrd/, n. 1. any warm blooded vertebrate of the class Aves, having a body covered with feathers, forelimbs modified into wings, scaly legs, a beak, and no teeth, and bearing young in a hard shelled egg. 2. a fowl or game bird. 3 …   Universalium