Definition of sidebars:
(n) :
(Internet) A block of information placed at the side of a webpage.
(n) :
A short news story printed alongside a larger one.
(n) :
(typography) A block of information placed at the side of a printed page.
(n) :
An accessory side note or aside made during a conversation, without changing the scope of the audience.
(n) :
A short conversation between a smaller portion of a group held outside the hearing of the rest of the group.
(n) :
(US, law) A short conference, between a judge and the attorneys of a case, held outside the hearing of the jury and the spectators at the court.