Clues for the word "FIRTHS"

We've had 2 crossword clues used for this word, and seen it 4 times in crosswords. It was last seen in Pat Sajack's Code Letter crossword on October 06, 2012.

Referring Clues

Scottish inlets
Long, narrow estuaries

Last Seen In

Pat Sajack's Code Letter - October 06, 2012
USA Today - October 19, 2010
Netword - July 26, 2009
Universal - February 24, 2007