pinhole pupil

13 LETTERS · STARTS WITH P

pinhole pupil is a valid 13-letter word worth 21 points in Scrabble and 27 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

P3I1N1H4O1L1E1P3U1P3I1L1

3 + 1 + 1 + 4 + 1 + 1 + 1 + 0 + 3 + 1 + 3 + 1 + 1 =21 PTS

DOUBLE WORD → 42TRIPLE WORD → 63

MEANING

What does pinhole pupil mean?