setting block

13 LETTERS · STARTS WITH S

setting block is a valid 13-letter word worth 21 points in Scrabble and 26 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1E1T1T1I1N1G2B3L1O1C3K5

1 + 1 + 1 + 1 + 1 + 1 + 2 + 0 + 3 + 1 + 1 + 3 + 5 =21 PTS

DOUBLE WORD → 42TRIPLE WORD → 63

MEANING

What does setting block mean?