To gyrate is to revolve around a point or axisor to oscillate with or as if with a circular or spiral motion.

Often used to refer to the process of orbiting one's hips around the center of one's mass along the z-axis (if one pictures the ground as a Cartesian coordinate plane).

One notorious source of gyrative imagery is the Squaresoft game |Xenogears|, in which giant robots suggestively, and constantly, sway their lubricated steel hips.

Gy"rate (?), a. [L. gyratus made in a circular form, p. p. of gyrare.]

Winding or coiled round; curved into a circle; taking a circular course.

 

© Webster 1913.

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Gy"rate (?), v. i. [imp. & p. p. Gyrated (?); p. pr. & vb. n. Gyrating.] [L. gyratus, p. p. of gyrare to gyrate. See Gyre, n.]

To revolve round a central point; to move spirally about an axis, as a tornado; to revolve.

 

© Webster 1913.