interior point

14 LETTERS · STARTS WITH I

interior point is a valid 14-letter word worth 15 points in Scrabble and 18 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

I1N1T1E1R1I1O1R1P3O1I1N1T1

1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 3 + 1 + 1 + 1 + 1 =15 PTS

DOUBLE WORD → 30TRIPLE WORD → 45

MEANING

What does interior point mean?