articulator

NOUN /ɑr'tɪkjə,leɪtər/
11 LETTERS · 5 SYLLABLES · STARTS WITH A

articulator is a valid 11-letter word worth 13 points in Scrabble and 16 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
A1R1T1I1C3U1L1A1T1O1R1
1 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 1 =13 PTS
DOUBLE WORD → 26TRIPLE WORD → 39
MEANING

What does articulator mean?