countersinking

14 LETTERS · 4 SYLLABLES · STARTS WITH C

countersinking is a valid 14-letter word worth 21 points in Scrabble and 27 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

C3O1U1N1T1E1R1S1I1N1K5I1N1G2

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

DOUBLE WORD → 42TRIPLE WORD → 63

MEANING

What does countersinking mean?