2. Noun. An instance of wandering. ¹
3. Noun. (uncountable telecommunications) The ability to use a cell phone outside of its original registering zone. ¹
4. Noun. (uncountable computing telecommunications) The use of a network or service from different locations or devices. ¹
¹ Source: wiktionary.com
Definition of Roaming
1. roam [v] - See also: roam