(anatomy) A line from the root of the nose to the lambda.

plural of median line

Synonym of Zöllner illusion

Fine lines ruled on glass in a series of groups of different closeness of line, and used to test the power of a microscope.

(sailing) Alternative spelling of clewline

(glaciology, oceanography) the boundary where a grounded glacier becomes a floating ice shelf

plural of bright line

plural of Mackie line

(military) The second battle line used to support the front line.

(idiomatic) As part of or while performing official duties, usually of the military or police personnel, or of government officials.