lead block

10 LETTERS · STARTS WITH L

lead block is a valid 10-letter word worth 18 points in Scrabble and 22 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

L1E1A1D2B3L1O1C3K5

1 + 1 + 1 + 2 + 0 + 3 + 1 + 1 + 3 + 5 =18 PTS

DOUBLE WORD → 36TRIPLE WORD → 54

MEANING

What does lead block mean?