cross-fertilizing

17 LETTERS · 4 SYLLABLES · STARTS WITH C

cross-fertilizing is a valid 17-letter word worth 31 points in Scrabble and 35 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

C3R1O1S1S1-0F4E1R1T1I1L1I1Z10I1N1G2

3 + 1 + 1 + 1 + 1 + 0 + 4 + 1 + 1 + 1 + 1 + 1 + 1 + 10 + 1 + 1 + 2 =31 PTS

DOUBLE WORD → 62TRIPLE WORD → 93

MEANING

What does cross-fertilizing mean?