ballast tube

12 LETTERS · STARTS WITH B

ballast tube is a valid 12-letter word worth 15 points in Scrabble and 20 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

B3A1L1L1A1S1T1T1U1B3E1

3 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 1 + 1 + 3 + 1 =15 PTS

DOUBLE WORD → 30TRIPLE WORD → 45

MEANING

What does ballast tube mean?