The act of turning or whirling, especially around a fixed axis or centre; a circular or spiral motion; rotation.
The arrangement of convolutions of gyri in the cerebral cortex of the brain.
One of the whorls of a spiral univalve shell.
A rotation around an axis which is not the centre of rotational symmetry; an eccentric or off-centre rotation.
A shake, quiver, or vibration.
To shake, quiver, or vibrate.
To fear; to be afraid.