A more thorough explanation:

Definition: A metewand is an old-fashioned measuring staff that comes in different lengths.

Example: In medieval times, a metewand was used to measure cloth and other materials. The length of the metewand would vary depending on the item being measured.

Explanation: The example illustrates how a metewand was used to measure cloth and other materials. The length of the metewand would be adjusted to fit the item being measured, making it a versatile tool for measuring different objects.