sea-lettuce family

NOUN
18 LETTERS · STARTS WITH S

sea-lettuce family is a valid 18-letter word worth 26 points in Scrabble and 30 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
S1E1A1-0L1E1T1T1U1C3E1F4A1M3I1L1Y4
1 + 1 + 1 + 0 + 1 + 1 + 1 + 1 + 1 + 3 + 1 + 0 + 4 + 1 + 3 + 1 + 1 + 4 =26 PTS
DOUBLE WORD → 52TRIPLE WORD → 78
MEANING

What does sea-lettuce family mean?

NOUN · 1 SENSE
1

Thin flat or tubular green algae.