GYRATION

gyration, whirling

(noun) the act of rotating in a circle or spiral

rotation, revolution, gyration

(noun) a single complete turn (axial or orbital); “the plane made three rotations before it crashed”; “the revolution of the earth about the sun takes one year”

Source: WordNet® 3.1

Etymology

Noun

gyration (plural gyrations)

The act of turning or whirling, as around a fixed center; a circular or spiral motion; motion about an axis; rotation; revolution.

One of the whorls of a spiral univalve shell.

Appropriate arrangement of convolutions of gyri in the cerebral cortex.

Anagrams

• organity

Source: Wiktionary

Gy*ra"tion, n.

1. The act of turning or whirling, as around a fixed center; a circular or spiral motion; motion about an axis; rotation; revolution. The gyrations of an ascending balloon. De Quincey. If a burning coal be nimbly moved round in a circle, with gyrations continually repeated, the whole circle will appear like fire. Sir I. Newton.

2. (Zoöl.)

Definition: One of the whorls of a spiral univalve shell. Center of gyration. (Mech.) See under Center.

– Radius of gyration the distance between the axis of a rotating body and its center of gyration. Rankine.

Source: Webster’s Unabridged Dictionary 1913 Edition