Meaning of SECTION in English
( n. )
The figure made up of all the points common to a superficies and a solid which meet, or to two superficies which meet, or to two lines which meet. In the first case the section is a superficies, in the second a line, and in the third a point.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012