ˈ ̷ ̷ˌ ̷ ̷ noun
1.
a. : strong hard-laid line that is used to form the main line of a setline and is usually provided in bundles of 300 fathoms weighing 48, 40, or sometimes 32 pounds
b. : the main line of a setline consisting of one or more bundles of groundline
2.
a. : the base line which represents a ground plane in pictures having no indication of spatial depth and upon which all figures and objects are placed irrespective of their real spatial relationship
b. : the bottom line of the picture plane of a drawing in linear perspective
c. : the bottom line of a photograph
d. : the line representing ground level in an architectural plan or drawing
3. : foundation , basis