Split/divide something down the middle Definition 1 of 3Pro Tip 1/3Literal Split Used when something is physically divided into two equal parts. I split the cake down the middle so it was fair. Pro Tip 2/3Equal Sharing Emphasizes fairness in sharing something between two people or groups. We split the profits down the middle to avoid any dispute. Pro Tip 3/3Visual Imagery Can create a strong visual image of dividing something like a solid object. Imagine splitting a log down the middle with an axe.