Is “Rotas” a Scrabble word?
Yes
ROTAS
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Rotas
noun
1.A schedule that allocates some task, responsibility or (rarely) privilege between a set of people according to a (possibly periodic) calendar.
noun
1.A kind of zither, played like a guitar, used in the Middle Ages in church music.