What is the meaning of Gyre?

1. A swirling vortex.
2. A circular or spiral motion; also, a circle described by a moving body; a revolution, a turn.

   A swirling vortex.

   A circular or spiral motion; also, a circle described by a moving body; a revolution, a turn.

   Synonym of gyrus (“a fold or ridge on the cerebral cortex of the brain”).

   An ocean current caused by wind which moves in a circular manner, especially one that is large-scale and observed in a major ocean.

   To spin around; to gyrate, to whirl.

   To make (something) spin or whirl around; to spin, to whirl.

   vocative singular of gȳrus

   Source: wiktionary.org