(of a part of a building) project beyond (a lower part)
（建筑物某一部分）挑出于（较低部分）之外，突出
a sloping stone coping oversailing a gutter
突出于排水沟之外的倾斜的石墙压顶。
Example sentencesExamples
The thinnest possible roof-slab on thin steel and concrete columns, again irregularly placed, oversails the glass walls for shade.
Prefiguring the house, this pavilion on a raised deck is a confection of gables and bays with intersecting corrugated metal canopies oversailing the wooden structure.
An exaggerated, almost Tyrolean pitched roof oversails the dense carpet walls protecting them against the elements (the region's annual rainfall is almost 60 in, or 1500 mm, so flat roofs are out of the question).
The roof slating came down to the head of the brick wall and, rather than oversailing it and having an eaves gutter or not oversailing it and having a gutter inside a parapet, there were simply timber fascia boards on the outside of the gutter.
The next building in the area was a ‘pentice’ - a first-storey extension supported on wooden columns oversailing the pavement - built in about 1460 using much cheaper timbers than had been used before the Black Death.
Organization of the teaching pavilions which oversail the lakeside promenade is similarly direct.
The innovative Colorcoat roof oversailing both the playing area and the pavilion is cleverly engineered to let in diffused natural light, with an inner lining of white-coated steel to maximize internal reflectivity.
Origin
Late 17th century (originally Scots): from over + French saillir 'jut out'.