gyrations

Noun

gyration (countable and uncountable, plural gyrations)

1. (also, figuratively) The act of turning or whirling, especially around a fixed axis or centre; a circular or spiral motion; rotation.
   • Novv that the ayre impelled returnes unto its place in a gyration or vvhirling, is evident from the Atomes or moates in the Sun. For vvhen the Sunne ſo enters a hole or vvindovv, that by its illumination the Atomes or moates become perceptible, if then by our breath the ayre bee gently impelled, it...1646, Thomas Browne, “Of Bodies Electricall”, in Pseudodoxia Epidemica: […], London: […] T[homas] H[arper] for Edward Dod, […], →OCLC, 2nd book, page 80

   Synonyms:

   circumvolution, spinning, wheeling

   1. (also, figuratively, specifically, Euclidean geometry) A rotation around an axis which is not the centre of rotational symmetry; an eccentric or off-centre rotation.
2. (countable) One of the whorls of a spiral univalve shell.
3. The arrangement of convolutions of gyri in the cerebral cortex of the brain.