longitudinal axis

17 LETTERS · STARTS WITH L

longitudinal axis is a valid 17-letter word worth 25 points in Scrabble and 31 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

L1O1N1G2I1T1U1D2I1N1A1L1A1X8I1S1

1 + 1 + 1 + 2 + 1 + 1 + 1 + 2 + 1 + 1 + 1 + 1 + 0 + 1 + 8 + 1 + 1 =25 PTS

DOUBLE WORD → 50TRIPLE WORD → 75

MEANING

What does longitudinal axis mean?