ˈ ̷ ̷ˌ ̷ ̷ noun
: a line by which one is guided: as
a. : a cord or rope to aid a passer over a difficult point (as on a trail) or to permit retracing a course (as in a cave)
b.
(1) : an identifying number, letter, or word written on copy or set in a single line of type and placed above type matter for the guidance of copyreader and printer
(2) : a line drawn from a typographical change to a mark in the margin
c. : an indication or outline of future policy or conduct (as of a government)