lighter-than-air craft

NOUN
22 LETTERS · STARTS WITH L

lighter-than-air craft is a valid 22-letter word worth 31 points in Scrabble and 33 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
L1I1G2H4T1E1R1-0T1H4A1N1-0A1I1R1C3R1A1F4T1
1 + 1 + 2 + 4 + 1 + 1 + 1 + 0 + 1 + 4 + 1 + 1 + 0 + 1 + 1 + 1 + 0 + 3 + 1 + 1 + 4 + 1 =31 PTS
DOUBLE WORD → 62TRIPLE WORD → 93
MEANING

What does lighter-than-air craft mean?

NOUN · 1 SENSE
1

Aircraft supported by its own buoyancy.

BROADER