saddle grafting

15 LETTERS · STARTS WITH S

saddle grafting is a valid 15-letter word worth 21 points in Scrabble and 25 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
S1A1D2D2L1E1G2R1A1F4T1I1N1G2
1 + 1 + 2 + 2 + 1 + 1 + 0 + 2 + 1 + 1 + 4 + 1 + 1 + 1 + 2 =21 PTS
DOUBLE WORD → 42TRIPLE WORD → 63
MEANING

What does saddle grafting mean?

1