Stuart's Word Spot: Gab

Gab: noun – mouth (Scottish, as 'gob'), a notch or hook in a lever or rod that engages with a spindle or pin.verb – to chatter, talk in a glib manner, prattle.
'The spindle latched onto the gab, causing it to move a short distance and impress the stamp on its end into the soft metal plate passing beneath.'  
'In a fit of anxiety, Pamela would gab incessantly on nothing at all to anyone who would give her the time of day.'