From Longman Dictionary of Contemporary Englishbe perched on/above etc somethingbe perched on/above etc somethingHIGHto be in a position on top of something or on the edge of something a house perched on a cliff above the town → perch
Examples from the Corpus
be perched on/above etc something• By the end of the show, the contestants are perched on piles of pillows of varying heights.• He was perched on top of a huge cage, looking at the visitors.• He went straight into the bedroom, to the wall where the painted Asiatic doll was perched on the sideboard.• It was perched on a small promontory to the east of the town, overlooking the bay.• Rows of large silent birds are perched on the mountain ledges - vultures.• Steph and Joe are perched on their seats, leaning forward, alternately yelling plays and screaming at the officials.• The old medieval part is perched on a hilltop, the modern quarters, below.• Their house was perched on the brink of a canyon. 