Is “Gilgais” a Scrabble word?
Yes
GILGAIS
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 Gilgais
noun
1.A small concavity or depression between ridges, where rainwater gathers.
Synonyms: crab-hole, dead-men's grave, melon hole