launch window

13 LETTERS · STARTS WITH L

launch window is a valid 13-letter word worth 24 points in Scrabble and 28 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

L1A1U1N1C3H4W4I1N1D2O1W4

1 + 1 + 1 + 1 + 3 + 4 + 0 + 4 + 1 + 1 + 2 + 1 + 4 =24 PTS

DOUBLE WORD → 48TRIPLE WORD → 72

MEANING

What does launch window mean?