Arbor or arbour may refer to: Arbor (garden), a shaded garden area Arbor (tool) or mandrel Arbor, California Arbor knot, a knot commonly used to attach fishing line to a fishing reel Arbor, the central post of a fishing reel to which fishing line's attached Arbor Drugs, a defunct Detroit, Michigan-based drug store chain Arbor, the steel frame of a fly system in a theatre Arbors Records, a jazz record label The Arbors, a 1960s pop group Arbor in a mechanical clock, a spindle or shaft supp… (More on Arbor)