jīˈrāshən noun
( -s )
Etymology: Middle French or Late Latin; Middle French gyration, giration, from Late Latin gyration-, gyratio, from gyratus (past participle) + Latin -ion-, -io -ion
1. : the act or an instance of rotation in a circle or spiral : turning , whirling , revolution
2. : something that resembles gyration
the first gyrations of wishful thinking about the crash — Leo Gurko
3. : the pattern of convolutions of the brain
4. : one of the whorls of a spiral shell
• gy·ra·tion·al -shən ə l, -shnəl adjective