napier's bones

NOUN
14 LETTERS · 2 SYLLABLES · STARTS WITH N

napier's bones is a valid 14-letter word worth 16 points in Scrabble and 20 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
N1A1P3I1E1R1'0S1B3O1N1E1S1
1 + 1 + 3 + 1 + 1 + 1 + 0 + 1 + 0 + 3 + 1 + 1 + 1 + 1 =16 PTS
DOUBLE WORD → 32TRIPLE WORD → 48
MEANING

What does napier's bones mean?

NOUN · 1 SENSE
1

A set of graduated rods formerly used to do multiplication and division by a method invented by John Napier.