sidesplit noun2 •A split-level home whose split level is visible from the front elevation.It hadn't been Quirk's childhood home, a spacious suburban sidesplit Ted had seen only after it had been sold and only from the outside. — 2008 •A split in which the legs are extending to the left and right of the torso.For example, it takes a young girl gymnast, as a rule, about a month to learn how to do the sidesplit. — 1982 formssidesplits
