castle nut

10 LETTERS · STARTS WITH C

castle nut is a valid 10-letter word worth 11 points in Scrabble and 15 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

C3A1S1T1L1E1N1U1T1

3 + 1 + 1 + 1 + 1 + 1 + 0 + 1 + 1 + 1 =11 PTS

DOUBLE WORD → 22TRIPLE WORD → 33

MEANING

What does castle nut mean?