plate girder

12 LETTERS · STARTS WITH P

plate girder is a valid 12-letter word worth 15 points in Scrabble and 18 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

P3L1A1T1E1G2I1R1D2E1R1

3 + 1 + 1 + 1 + 1 + 0 + 2 + 1 + 1 + 2 + 1 + 1 =15 PTS

DOUBLE WORD → 30TRIPLE WORD → 45

MEANING

What does plate girder mean?