rib meristem

12 LETTERS · STARTS WITH R

rib meristem is a valid 12-letter word worth 17 points in Scrabble and 20 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

R1I1B3M3E1R1I1S1T1E1M3

1 + 1 + 3 + 0 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 3 =17 PTS

DOUBLE WORD → 34TRIPLE WORD → 51

MEANING

What does rib meristem mean?