1
- at an angle of 90° to a given line, plane, or surface成直角的, 正交的：
dormers and gables that extend perpendicular to the main roofline.
与主屋顶轮廓线成直角的天窗和山墙。
1.1
- at an angle of 90°to the ground; vertical（与地面）成直角的; 垂直的, 直立的：
the perpendicular cliff.
峭壁。
1.2
- (of something with a slope) so steep as to be almost vertical（带斜面的物体）陡峭的, 陡立的：
guest houses seem to cling by blind faith to the perpendicular hillside.
宾馆好像靠神秘的力量黏附在那陡峭的山坡上。
2
Perpendicular
denoting the latest stage of English Gothic church architecture, prevalent from the late 14th to mid 16th centuries and characterized by broad arches, elaborate fan vaulting, and large windows with vertical tracery垂直式的（指流行于从14世纪晚期到16世纪中期的英国哥特式教堂建筑的最后一个阶段的风格, 特点是宽拱, 精巧的扇形拱顶和有垂直花格的大窗户）：the handsome Perpendicular church of St Andrew.
堂皇的垂直式圣安德鲁教堂。
1
- a straight line at an angle of 90° to a given line, plane, or surface成直角的线, 垂线：
at each division draw a perpendicular representing the surface line.
在每一分隔处画一条垂直线来表示外表线。
1.1
- mass noun（一般作the perpendicular）perpendicular position or direction垂直姿态, 垂直方向：
the wall declines from the perpendicular a little inward.
那墙由垂直方向向里倾斜了一点。
派生词
perpendicularity
nounperpendicularly
adverb词源
late Middle English （as an adverb meaning 'at right angles'）： via Old French from Latin perpendicularis, from perpendiculum 'plumb line', from per- 'through' + pendere 'to hang'.