Mensural is a 8 letter English word. It's valid Scrabble word worth 10 points. It's valid Words with friends word worth 14 points.
You can make 439 anagrams from letters in mensural (aelmnrsu).
1600-10; Late Latin mēnsūrālis, equivalent to Latin mēnsūr(a) measure + -ālis -al1
The signs of time were placed over the stave, and were not repeated unless the mensural values changed.
10
14