Well, don´t know what you want to, but then some possibilities.
In dance, ice skating etc...a spin
In computation, effects etc...rotation
(360º rotation, more specifically.) Used in Mechanics as well, as in RPM - rotation per minute.
In day-to-day and perhaps more colloquially/informaly...turn/turn around
. Turn around can be a complete or partial turn. https://www.youtube.com/watch?v=amdVAZF9_-Uhttp://dictionary.reference.com/browse/turn