conjoin

VERB /kən'dʒɔɪn/
7 LETTERS · 2 SYLLABLES · STARTS WITH C

conjoin is a valid 7-letter word worth 16 points in Scrabble and 21 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
C3O1N1J8O1I1N1
3 + 1 + 1 + 8 + 1 + 1 + 1 =16 PTS
DOUBLE WORD → 32TRIPLE WORD → 48
MEANING

What does conjoin mean?