Definition of "baseline" []

• A line that is a base for measurement or for construction. (noun)
• A datum used as the basis for calculation or for comparison. (noun)
• A line used as the basis for the alignment of glyphs. (noun)
• The line at the farthest ends of the court indicating the boundary of the area of play. (noun)
• A configuration of software, hardware, or a process that is established and documented as a point of reference. (noun)

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• "TODD: Jon Alterman says, at the very least, the Iraq Study Group's report has become what he calls the baseline for all future discussions about Iraq."
• "TODD: John Alterman says at the very least the Iraq Study Group's report has become what he calls the baseline for all future discussions about Iraq."
• "Giving him the baseline is a no-no but I didn't want to get in the middle."