Is “Castrati” a Scrabble word?
Yes
CASTRATI
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 Castrati
noun
1.A male who has been castrated, especially a male whose testicles have been removed before puberty in order to retain his boyish voice.
2.A male soprano or alto voice produced by castration of the treble singer before puberty, intended to conserve his voice; the singer.