perches is a form of:

Perch



noun
1.
(បច្ចេកទេស) តំណែងខ្ពង់ខ្ពស់
ENGLISH MEANING
noun
1.
Any fresh-water fish of the genus Perca and of several other allied genera of the family Percidae, as the common American or yellow perch (Perca flavescens, Americana), and the European perch (P. fluviatilis).
2.
Any one of numerous species of spiny-finned fishes belonging to the Percidae, Serranidae, and related families, and resembling, more or less, the true perches.
3.
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.
4.
A measure of length containing five and a half yards; a rod, or pole.
5.
In land or square measure: A square rod; the 160th part of an acre.
6.
In solid measure: A mass 16/ feet long, 1 foot in height, and 1/ feet in breadth, or 24/ cubic feet (in local use, from 22 to 25 cubic feet); -- used in measuring stonework.
7.
A pole connecting the fore gear and hind gear of a spring carriage; a reach.
verb
1.
(INTRANSITIVE) To alight or settle, as a bird; to sit or roost.
2.
(TRANSITIVE) To place or to set on, or as on, a perch.
3.
(TRANSITIVE) To occupy as a perch.