Definition of medial line in English:

medial line

noun

  • 1Mathematics a line that is the geometric mean (mean proportional) between two lines whose lengths are incommensurable, but the squares of which are commensurable (only with reference to or in translations of Euclid's work).

  • 2Generally a line through the middle of something.

  • 3Anatomy and Zoology= median line.

Origin

Late 16th century.