drilling stem

13 LETTERS · STARTS WITH D

drilling stem is a valid 13-letter word worth 16 points in Scrabble and 21 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

D2R1I1L1L1I1N1G2S1T1E1M3

2 + 1 + 1 + 1 + 1 + 1 + 1 + 2 + 0 + 1 + 1 + 1 + 3 =16 PTS

DOUBLE WORD → 32TRIPLE WORD → 48

MEANING

What does drilling stem mean?