oversail
/ˌəʊvəˈseɪl/verb
with obj.
- (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。
词源
late 17th cent. (originally Scots)： from OVER + French saillir 'jut out'.