pineal apparatus

16 LETTERS · STARTS WITH P

pineal apparatus is a valid 16-letter word worth 21 points in Scrabble and 27 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

P3I1N1E1A1L1A1P3P3A1R1A1T1U1S1

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

DOUBLE WORD → 42TRIPLE WORD → 63

MEANING

What does pineal apparatus mean?