perch /ˈpɝʧ/
 栖息,棲木,棲枝,高位,有利地位(v.)栖息,飛落,坐落,位於
 Perch, v. i. [imp. & p. p. Perched p. pr. & vb. n. Perching.]  To alight or settle, as a bird; to sit or roost.
    Wrens make prey where eagles dare not perch.   --Shak.
 perch n. [Written also pearch.]  Zool.
 1. Any fresh-water fish of the genus Perca and of several other allied genera of the family Percidæ, as the common American or yellow perch (Perca flavescens syn. Perca Americana), and the European perch (Perca fluviatilis).
 2. Any one of numerous species of spiny-finned fishes belonging to the Percidæ, Serranidæ, and related families, and resembling, more or less, the true perches.
 Black perch. (a) The black bass. (b) The flasher. (c) The sea bass.
 Blue perch, the cunner.
 Gray perch, the fresh-water drum.
 Red perch, the rosefish.
 Red-bellied perch, the long-eared pondfish.
 Perch pest, a small crustacean, parasitic in the mouth of the perch.
 Silver perch, the yellowtail.
 Stone perch, or Striped perch, the pope.
 White perch, the Roccus Americanus, or Morone Americanus, a small silvery serranoid market fish of the Atlantic coast.
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 Perch n.
 1. A pole; a long staff; a rod; esp., a pole or other support for fowls to roost on or to rest on; a roost; figuratively, any elevated resting place or seat.
 As chauntecleer among his wives all
 Sat on his perche, that was in his hall.   --Chaucer.
 Not making his high place the lawless perch
 Of winged ambitions.   --Tennyson.
 2. (a) A measure of length containing five and a half yards; a rod, or pole. (b) In land or square measure: A square rod; the 160th part of an acre. (c) In solid measure: A mass 16½ feet long, 1 foot in height, and 1½ feet in breadth, or 24¾ cubic feet (in local use, from 22 to 25 cubic feet); -- used in measuring stonework.
 3. A pole connecting the fore gear and hind gear of a spring carriage; a reach.
 Perch, v. t.
 1. To place or to set on, or as on, a perch.
 2. To occupy as a perch.
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 perch
      n 1: support consisting of a branch or rod that serves as a
           resting place (especially for a bird)
      2: a linear measure of 16.5 feet [syn: rod, pole]
      3: a square rod of land [syn: rod, pole]
      4: an elevated place serving as a seat
      5: any of numerous fishes of America and Europe
      6: spiny-finned freshwater food and game fishes
      7: any of numerous spiny-finned fishes of various families of
         the order Perciformes
      v 1: sit, as on a branch; "The birds perched high in the treee"
           [syn: roost, rest]
      2: to come to rest, settle; "Misfortune lighted upon him" [syn:
          alight, light]
      3: cause to perch or sit; "She perched her hat on her head"