respiratory tree

16 LETTERS · STARTS WITH R

respiratory tree is a valid 16-letter word worth 20 points in Scrabble and 20 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

R1E1S1P3I1R1A1T1O1R1Y4T1R1E1E1

1 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 4 + 0 + 1 + 1 + 1 + 1 =20 PTS

DOUBLE WORD → 40TRIPLE WORD → 60

MEANING

What does respiratory tree mean?