sinker drill

12 LETTERS · STARTS WITH S

sinker drill is a valid 12-letter word worth 16 points in Scrabble and 19 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1I1N1K5E1R1D2R1I1L1L1

1 + 1 + 1 + 5 + 1 + 1 + 0 + 2 + 1 + 1 + 1 + 1 =16 PTS

DOUBLE WORD → 32TRIPLE WORD → 48

MEANING

What does sinker drill mean?