Definitions
1.NounThe ⟨L⟩ or pipe ⟨|⟩ mark formerly used to divide integers from decimals.
2.NounSynonym of decimal point, which replaced such marks.
3.NounThe proofreader's mark resembling a slash ⟨ / ⟩ or vertical bar ⟨ | ⟩ placed after a note in the margin to indicate that it should replace the item(s) struckthrough in the running text or to separate it from other margin notes.
4.NounA terminator: a line on a partially-illuminated surface separating the lit and shaded regions.
5.NounThe line between regions having different magnetic fields.
6.NounThe boundary separating two modes of behavior in a differential equation.