baseline

English Thesaurus

1. the lines a baseball player must follow while running the bases (noun.location)

hypernym	:	line, line,
definition	:	in games or sports; a mark indicating positions or bounds of the playing area (noun.location)

2. an imaginary line or standard by which things are measured or compared (noun.linkdef)

hypernym	:	criterion, measure, standard, touchstone,
definition	:	a basis for comparison; a reference point against which other things can be evaluated (noun.communication)