plumb rule
NOUN
/pləm_rul/
10 LETTERS · STARTS WITH P
plumb rule is a valid 10-letter word worth 15 points in Scrabble and 22 points in Words with Friends.
SCRABBLE
WORDS WITH FRIENDS
P3L1U1M3B3R1U1L1E1
3 + 1 + 1 + 3 + 3 + 0 + 1 + 1 + 1 + 1 =15 PTS
DOUBLE WORD → 30TRIPLE WORD → 45
MEANING
What does plumb rule mean?
NOUN · 1 SENSE
1
A plumb line attached to a narrow board.
BROADER