baseline
nounUK /ˈbeɪslaɪn/
US /ˈbeɪslaɪn/
A baseline is the starting point you use to compare things later.
The doctor checked my height at the start of the year to set a baseline for my growth.
RELATED WORDS
OTHER MEANINGS
2. In tennis and similar games, the baseline is the line at the back of the court.
She stood behind the baseline and served the ball.
3. In baseball, a baseline is the straight path a runner takes between bases.
The runner was called out for stepping off the baseline.
4. A baseline can be a basic standard or level used for planning.
The school set a baseline for how many books each student should read.