I. ˈ ̷ ̷ˌ ̷ ̷ noun
Etymology: side (I) + bar
1.
a. : either of a pair of longitudinal elastic wooden bars on which the bodies of buggies and other light vehicles are sometimes suspended
b. : either of two plates uniting the pommel and cantle of a saddle
c. : either of the outside plates located one on each side of the lower part of a side-bar keel
2. : a short news story designed to accompany a major news story and present sidelights (as personalities or human interest aspects) of the major story
a sidebar on the crime investigation
II. noun
: a conference between the judge, the lawyers, and sometimes the parties to a case that the jury does not hear — called also sidebar conference