oligodactyly

NOUN
12 LETTERS · STARTS WITH O

oligodactyly is a valid 12-letter word worth 22 points in Scrabble and 24 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
O1L1I1G2O1D2A1C3T1Y4L1Y4
1 + 1 + 1 + 2 + 1 + 2 + 1 + 3 + 1 + 4 + 1 + 4 =22 PTS
DOUBLE WORD → 44TRIPLE WORD → 66
MEANING

What does oligodactyly mean?