Topic: AGRICULTURE
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| Date: | 1300-1400 |
| Language: | Old French |
| Origin: | perpendiculer, from Latin, from perpendiculum 'plumb line', from pendere 'to hang' |
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per‧pen‧dic‧u‧lar1
1 not leaning to one side or the other but exactly vertical [↪ vertical, horizontal]: a perpendicular line a perpendicular wall of rock
a perpendicular linea perpendicular wall of rock2 if one line is perpendicular to another line, they form an angle of 90 degrees [= at right angles to]: a road perpendicular to the highway
be perpendicular to something
HMa road perpendicular to the highway3 in the style of 14th and 15th century English churches, which are decorated with straight, upright lines
Perpendicular
AA —perpendicularly adverb
