pitchrule

noun
UK /ˈpɪtʃruːl/
US /ˈpɪtʃrul/

A pitchrule is a special stick or tool used to measure how far something is thrown or how high it goes.

The coach used a pitchrule to check how far the ball had flown.


OTHER MEANINGS

2. A rule in a game that says how a ball must be pitched or thrown.

The players argued about the pitchrule after the umpire called a foul.

3. A standard used to judge the quality of a musical note's highness or lowness.

The choir director set a pitchrule so everyone sang in tune.

4. A guideline for how steeply a roof or slope should rise.

The builder followed the pitchrule to make the roof safe.