outerside adjective 1noun 1forms 1 adjective1 •(old-fashioned) Outside.Except for turnings with a deflated rear tire as an outerside tire, difference in the performance is small between fixed control and manual control. — 1974 noun1 •(old-fashioned) An outward side; outside surface.Upperparts of back and tail and outerside of legs a reddish brown grey with a silvery tinge, turning towards the nape to a rich red — 1885 formsoutersides
