Apothem

1. n. A deposit formed in a liquid extract of a vegetable substance by exposure to the air.
2. n. The perpendicular from the center to one of the sides of a regular polygon.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.