gyrāˈtion noun

1. A whirling motion
2. A whirl or twist (also figurative)
3. A whorl

gyrāˈtional adjective

gyrāˈtory adjective

1. Revolving
2. Spinning round
3. (of traffic) revolving in one-way lines, or (of traffic systems) designed or working on this principle

A gyratory traffic system

gyroidˈal adjective

1. Spiral
2. Rotatory

gyrˈose adjective

1. Having a folded surface
2. Marked with wavy lines or ridges

gyrˈous adjective