Gat | Webster's Dictionary of the English Language

gat
(Dutch.) A gate or passage. A term applied to several places in the vicinity of New York, as Barnega...

Dictionary of American Words And Phrases by John Russell Bartlett.
gat
A swashway, or channel amongst shoals. ...

The Sailor's Word-Book
Gat-toothed
·adj Goat-toothed; having a lickerish tooth; lustful; wanton. ...

Webster's Dictionary of the English Language