Is “Yam” a Scrabble word?
Yes
YAM
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 Yam
/jæm/
noun
1.Any climbing vine of the genus Dioscorea in the Eastern and Western hemispheres, usually cultivated.
2.The edible, starchy, tuberous root of that plant, a tropical staple food.
3.A sweet potato; a tuber from the species Ipomoea batatas.