Meaning of MOOT

The adjective moot is originally a legal term going back to the mid-16th century. It derives from the noun moot, in its sense of a hypothetical case argued as an exercise by law students. Consequently, a moot question is one that is arguable or open to debate

1. Law. A hypothetical case argued by law students as an exercise.
2. An ancient English meeting, especially a representative meeting of the freemen of a shire.