Mono
Here is the meaning and Word Scramble Game information for Mono
MONO6 is a valid Scrabble Word in NWL, formerly TWL (USA, Thailand, Canada)
MONO6 is a valid Scrabble Word in CSW, formerly SOWPODS (Other Countries)
MONO8 is a valid word in WWF
(n.) The black howler of Central America (Mycetes villosus).