from the GNU version of the Collaborative International Dictionary of English

  • n. One line or radius falling perpendicularly on another.

from The Century Dictionary and Cyclopedia

  • n. In geometry, a line falling perpendicularly on another line or a surface, as the two sides of a right-angled triangle.
  • n. In architecture: A perpendicular line supposed to pass through the middle of a cylindrical body. The axis or middle line of the Ionic volute.


Sorry, no etymologies found.


    Sorry, no example sentences found.


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