Is “Labyrinthodont” a Scrabble word?
Yes
LABYRINTHODONT
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 Labyrinthodont
noun
1.Any extinct amphibian of the subclass Labyrinthodontia
adjective
1.Having teeth with a labyrinthine (maze-like) internal structure