gab

or gob

1) The mouth. Gift of the gab; a facility of speech, nimble tongued eloquence. To blow the gab; to confess, or peach.

2) A bridle.

Gab
·vi To <<Deceive>>; to <<Lie>>. II. Gab ·vi The mouth; hence, idle prate; chatter; unmeaning talk; ...

Webster's Dictionary of the English Language
gab
Loquacity; prate; idle talk. This is an old word, and still has a place in the provincial glossaries...

Dictionary of American Words And Phrases by John Russell Bartlett.
gab
A notch on the eccentric rod of a steam-engine for fitting a pin in the gab-lever to break the conne...

The Sailor's Word-Book
wide-gab
A name of the Lophius piscatorius, toad-fish, or fishing-frog. ...

The Sailor's Word-Book
to blow the gab
To confess, or impeach a confederate. Cant. ...

Dictionary of The Vulgar Tongue by Francis Grose
gift of the gab
A facility of speech. ...

Dictionary of The Vulgar Tongue by Francis Grose