tube door

9 LETTERS · STARTS WITH T

tube door is a valid 9-letter word worth 11 points in Scrabble and 13 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

T1U1B3E1D2O1O1R1

1 + 1 + 3 + 1 + 0 + 2 + 1 + 1 + 1 =11 PTS

DOUBLE WORD → 22TRIPLE WORD → 33

MEANING

What does tube door mean?