ironbound security

18 LETTERS · STARTS WITH I

ironbound security is a valid 18-letter word worth 25 points in Scrabble and 30 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

I1R1O1N1B3O1U1N1D2S1E1C3U1R1I1T1Y4

1 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 2 + 0 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 4 =25 PTS

DOUBLE WORD → 50TRIPLE WORD → 75

MEANING

What does ironbound security mean?