English Dictionary

perpendicular

/ˌpɜː.pənˈdɪk.jə.lə(ɹ)/

noun

(geometry) A line or plane that is perpendicular to another. / A device such as a plumb line that is used in making or marking a perpendicular line.

The two lines intersect at a perpendicular.

意味（1）

(geometry) A line or plane that is perpendicular to another.

意味（2）

A device such as a plumb line that is used in making or marking a perpendicular line.

意味（3）

(obsolete, slang) A meal eaten at a tavern bar while standing up.