"skydiving" in the noun sense
1. skydiving
performing acrobatics in free fall before pulling the ripcord of a parachute
"skydiving" in the verb sense
1. sky dive, skydive
jump from an airplane and perform various maneuvers before opening one's parachute
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License