RhymeZone: baseline definitions

Definitions of baseline:

noun: the lines a baseball player must follow while running the bases
noun: an imaginary line or standard by which things are measured or compared
Example: "The established a baseline for the budget"
noun: the back line bounding each end of a tennis or handball court; when serving the server must not step over this line

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See baseline used in context: 45 rhymes, several books and articles.