arrow-grass family

NOUN
18 LETTERS · STARTS WITH A

arrow-grass family is a valid 18-letter word worth 28 points in Scrabble and 30 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
A1R1R1O1W4-0G2R1A1S1S1F4A1M3I1L1Y4
1 + 1 + 1 + 1 + 4 + 0 + 2 + 1 + 1 + 1 + 1 + 0 + 4 + 1 + 3 + 1 + 1 + 4 =28 PTS
DOUBLE WORD → 56TRIPLE WORD → 84
MEANING

What does arrow-grass family mean?

NOUN · 1 SENSE
1

A family of monocotyledonous bog herbs of order Naiadales.