Definitions
1.verb(of a gear) To continue spinning after disengagement.
2.verb(of a cyclist) To ride a bicycle without pedalling, e.g. downhill.
3.verb(of a motorist) To operate a motor vehicle which is coasting without power, e.g. downhill.
4.verb(by extension) To operate free from constraints.
5.adjectiveUnbounded by rules or conventions; unrestrained.