1. A two-dimensional figure having the shape of the number eight
   "The ice skater performed a perfect figure of eight on the rink";
   - figure eight, figure 8
    
2. A knot having the shape of the numeral 8; tied in a rope that has been passed through a hole or pulley and that prevents the rope from coming loose
   "The climber used a figure of eight knot to secure her harness";
   - figure eight

Derived forms: figures of eight

Type of: knot, plane figure, two-dimensional figure

Encyclopedia: Figure of eight