verb

• (transitive, ergative, of something solid) To divide fully or partly along a more or less straight line.
  "He has split his lip."
• (intransitive, of something solid, particularly wood) To break along the grain fully or partly along a more or less straight line.
• (transitive) To share; to divide.
  "We split the money among three people."
• (transitive, intransitive, slang) To leave.
  "Let's split this scene and see if we can find a real party."

adj

• (algebra, of a short exact sequence) Having the middle object (group, module, etc.) equal to the direct sum of the others.
• (of coffee) Comprising half decaffeinated and half caffeinated espresso.
• (stock exchange, of an order, sale, etc.) Divided so as to be done or executed part at one time or price and part at another time or price.
• (stock exchange, historical, of quotations) Given in sixteenths rather than eighths.
  "10+³⁄₁₆ is a split quotation."

noun

• (leather manufacture) One of the sections of a skin made by dividing it into two or more thicknesses.
• (gymnastics, cheerleading, dance, usually in the phrase "to do the splits") A maneuver of spreading or sliding the feet apart until the legs are flat on the floor 180 degrees apart, either sideways to the body or with one leg in front and one behind, thus lowering the body completely to the floor in an upright position.
• (bodybuilding) A workout routine as seen by its distribution of muscle groups or the extent and manner they are targeted in a microcycle.
• (baseball, slang) A split-finger fastball.
  "He’s got a nasty split."