Is “Screwtop” a Scrabble word?
Yes
SCREWTOP
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 Screwtop
noun
1.A container that has a threaded lid (rather than a cork or push-on top).
adjective
1.Of a container: having a threaded lid (rather than a cork or push-on top).