n. A very common fresh-water fish of Europe, Perca fluviatilis, or one of many other species of the same family.n. A fish of one of various other genera or familiesn. One of the dark species of Lepomis or of Pomotis.n. The black sea-bass, Centropristis atrarius.n. One of the dark viviparous perches, as Ditrema jacksoni.n. The fresh-water drum, or sheepshead, Aplodinotus grunniens.n. The tripletail, Lobotes surinamensis.n. The rose-fish, Sebastes viviparus.n. One of several embiotocoid or viviparous perchesn. A serranoid fish, Macquaria australasica.n. The black or wide-mouthed sunfish, Chænobryttus gulosus.n. The fresh-water drum, sheepshead, or black perch, Aplodinotus grunniens.n. One of several different embiotocids or viviparous perches, as Hyperprosopon argenteus, Damalichthys vacca, etc.n. A rod or pole; especially, a rod or pole serving as a roost for birds; anything on which birds alight and rest.n. Hence An elevated seat or position.n. A rod or pole used as a definite measure of length; a measure of length equal to 5½ yards. Perches of 7 and 8 yards have also been in local use. See pole.n. A square measure equal to 30¼ square yards: 160 perches make an acre.n. A unit of cubic measure used by stone-masons. It is usually 16½ feet by 1½ feet by 1 foot; but it varies greatly.n. A pole or staff set up as a beacon on a shallow place or a rock, or used to mark a channel.n. In vehicles: A pole connecting the fore and hind gears of a spring-carriage; the reach or bar. See cut under barouche.n. An elevated seat for the drivern. [⟨ perch, verb] The act of perching or alighting upon a place; hence, grasp; hold.To alight or settle on a perch or elevated support, as a bird; use a perch; roost.To alight or sit in some elevated position, as if on a perch.To place, set, or fix on a perch or other elevated support.To operate upon (“roughers,” or woolen cloth as taken from the looms) as follows:n. Applied, with various epithets, to many fishes in Australia, none of which belong to the family Percidæ.n. In Australia, Coprodon longimanus.n. In leather manufacturing, a frame on which a skin is stretched flat so that it may be worked smooth and soft.n. In textile-manuf., a frame, usually with two overhead rolls, over which cloth is drawn to be examined for imperfections.n. 11. In car-building, a draft-timber.In leather manufacturing, to soften or draw out by means of a perch. See perch, n., 9.