Is “Plane” a Scrabble word?
Yes
PLANE
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 Plane
/pleɪn/
noun
1.A level or flat surface.
2.A flat surface extending infinitely in all directions (e.g. horizontal or vertical plane).
3.A level of existence or development. (eg, astral plane)
adjective
1.Of a surface: flat or level.