Dictionary

A line that is a base for measurement or for construction.

Example: A laser level generates a convenient baseline for interior work.

A datum used as the basis for calculation or for comparison.

Example: We used the last doctor visit to provide baselines for vital statistics.

A line used as the basis for the alignment of glyphs.

Example: Several characters typically have descenders below the lower baseline.

The line at the farthest ends of the court indicating the boundary of the area of play.

Example: The umpire missed the call. The ball hit the baseline.

To provide a baseline for measurement.

To play from the baseline.