figure eight

Short definition from Wiktionary

Noun

1. 1
   The shape consisting of two circles or ovals joined together at one point, resembling the numeral 8.
2. 2
   A maneuver in which one rides, skates, or otherwise traces a path that forms a figure eight.
3. 3
   A variety of puffer fish (Tetraodontidae).
4. 4
   Alternative form of figure eight.

Verb

1. 1
   Alternative form of figure-eight.
2. 2
   To move or cause to move in a figure eight pattern.