n. 栖木, 高位, 杆, 河鲈

vt. (使)栖息, 就位, 位于, (使)暂歇

vi. (使)栖息, 就位, 位于, (使)暂歇

Perch \Perch\ (p[~e]rch), n. [Written also {pearch}.] [OE.
perche, F. perche, L. perca, fr. Gr. pe`rkh; cf. perkno`s
dark-colored, Skr. p[.r][,c]ni spotted, speckled, and E.
freckle.] (Zo["o]l.)
1. Any fresh-water fish of the genus Perca and of several
other allied genera of the family {Percid[ae]}, 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 {Percid[ae]}, {Serranid[ae]}, 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.


Perch \Perch\, v. i. [imp. & p. p. {Perched}; p. pr. & vb. n.
{Perching}.] [F. percher. See {Perch} a pole.]
To alight or settle, as a bird; to sit or roost.

Wrens make prey where eagles dare not perch. --Shak.


Perch \Perch\, v. t.
1. To place or to set on, or as on, a perch.

2. To occupy as a perch. --Milton.


Perch \Perch\, n. [F. perche, L. pertica.]
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 161/2 feet long, 1 foot in
height, and 11/2 feet in breadth, or 243/4 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.

Rod \Rod\, n. [The same word as rood. See {Rood}.]
1. A straight and slender stick; a wand; hence, any slender
bar, as of wood or metal (applied to various purposes).
Specifically:
(a) An instrument of punishment or correction;
figuratively, chastisement.

He that spareth his rod hateth his son. --Prov.
xiii. 24.
(b) A kind of sceptor, or badge of office; hence,
figuratively, power; authority; tyranny; oppression.
``The rod, and bird of peace.'' --Shak.
(c) A support for a fishing line; a fish pole. --Gay.
(d) (Mach. & Structure) A member used in tension, as for
sustaining a suspended weight, or in tension and
compression, as for transmitting reciprocating motion,
etc.; a connecting bar.
(e) An instrument for measuring.

2. A measure of length containing sixteen and a half feet; --
called also {perch}, and {pole}.

{Black rod}. See in the Vocabulary.

{Rods and cones} (Anat.), the elongated cells or elements of
the sensory layer of the retina, some of which are
cylindrical, others somewhat conical.


Sprat \Sprat\ (spr[a^]t), n. [OE. sprot, sprotte, D. sprot; akin
to G. sprotte.] (Zo["o]l.)
(a) A small European herring ({Clupea sprattus}) closely
allied to the common herring and the pilchard; -- called
also {garvie}. The name is also applied to small herring
of different kinds.
(b) A California surf-fish ({Rhacochilus toxotes}); -- called
also {alfione}, and {perch}.

{Sprat borer} (Zo["o]l.), the red-throated diver; -- so
called from its fondness for sprats. See {Diver}.

{Sprat loon}. (Zo["o]l.)
(a) The young of the great northern diver. [Prov. Eng.]
(b) The red-throated diver. See {Diver}.

{Sprat mew} (Zo["o]l.), the kittiwake gull.