A draughtsman's instrument for ruling parallel lines.

plural of section liner

(colloquial, especially baseball) The section of cheap seats in a stadium favored by youth spectators.

(rail transport, electrical engineering) A dead section of overhead line for supplying power to trains between two live sections, used to separate two power supplies, different phases and supply voltages.

(rail transport) In railway signalling, a section of track on which, in normal circumstances, only one train is allowed at one time.

In a cross-sectional manner

(rail transport, electrical engineering) Part of a neutral section.

Synonym of intersectionality

plural of cross-sectionality

Ba Duan Jin, a Chinese exercise.