Is “Chitter” a Scrabble word?
Yes
CHITTER
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 Chitter
verb
1.To make a series of high-pitched sounds; to twitter, chirp or chatter.
“It was a beautifully sunny day and beetles could be heard chittering loudly in the rose garden by the side of the path made out of antique bricks.”
2.To shiver or chatter with cold.