a roost for a birda resting place or vantage point; a seat [Middle English via French perche from Latin pertica pole]
to alight or, settle, or rest, esp briefly or precariously verb transto place (somebody or something) on a perch, height, or precarious spot She perched the hat on her head
a small European freshwater fish with vertical stripes and spiny fins: Perca fluviatilisany of numerous fishes with a bony skeleton that are related to or resemble the European perch [Middle English perche via French and Latin from Greek perkē]
a former unit of length equal to one quarter of a chain (about 5.029m)a former unit of area equal to one hundred and sixtieth of an acre (about 25.29 square m) [Middle English in the sense ‘measuring pole’ from French perche: see perch1]