vertical tail

NOUN
13 LETTERS · STARTS WITH V

vertical tail is a valid 13-letter word worth 17 points in Scrabble and 21 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
V4E1R1T1I1C3A1L1T1A1I1L1
4 + 1 + 1 + 1 + 1 + 3 + 1 + 1 + 0 + 1 + 1 + 1 + 1 =17 PTS
DOUBLE WORD → 34TRIPLE WORD → 51
MEANING

What does vertical tail mean?

NOUN · 1 SENSE
1

The vertical airfoil in the tail assembly of an aircraft.