Is “Mammals” a Scrabble word?
Yes
MAMMALS
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 Mammals
noun
1.An animal of the class Mammalia, characterized by being warm-blooded, having hair and feeding milk to its young.
2.A vertebrate with three bones in the inner ear and one in the jaw.