The meaning of BASELINE is a line serving as a basis; especially : one of known measure or position used (as in surveying or navigation) to calculate or locate something.

Being based on or depending on something (Definition of baseline from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

In topography, a surveyed line established with more than usual care, to which surveys are referred for coordination and correlation.

Definition of baseline noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Walmart, the largest grocery chain in the country, was used as the baseline retailer, meaning all supermarkets in the study were determined to be either more or less expensive than Walmart.

A baseline is a value or starting point on a scale with which other values can be compared.

Dec 14, 2025 · Noun baseline (plural baselines) A line that is a base for measurement or for construction.