Is “Thyrsus” a Scrabble word?
Yes
THYRSUS
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 Thyrsus
/ˈθɜːsəs/
noun
1.A staff topped with a conical ornament, carried by Bacchus or his followers.
2.A species of inflorescence; a dense panicle, as in the lilac and horse-chestnut.