shortcut (n.)

• axis
• beat
• beeline
• bypass
• chord
• circuit
• course
• cut
• cutoff
• diagonal
• diameter
• edge
• itinerary
• line
• normal
• orbit
• path
• perpendicular
• radius
• road
• round
• route
• run
• secant
• segment
• side
• straight
• straightaway
• tangent
• tour
• track
• trajectory
• vector
• walk