control relay

13 LETTERS · STARTS WITH C

control relay is a valid 13-letter word worth 17 points in Scrabble and 20 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

C3O1N1T1R1O1L1R1E1L1A1Y4

3 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 1 + 1 + 1 + 1 + 4 =17 PTS

DOUBLE WORD → 34TRIPLE WORD → 51

MEANING

What does control relay mean?