Pronunciation: par-en'-the-sis
Alternate Spelling: parathesis
Insertion of a verbal unit that interrupts normal syntactical flow.
The garrulous Polonius from Hamlet can't help but interrupt himself as he speaks to King Claudius about Prince Hamlet's behavior toward his daughter, adding a parenthesis to his own parenthesis: But what might you think, When I had seen this hot love on the wing