The recurring cycle of physiological changes in the uninseminated females of some animal species that is associated with reproductive fertility; especially the cycle in a human woman.
The periodic change of the sea level, particularly when caused by the gravitational influence of the sun and the moon.
Tendency or direction of causes, influences, or events; course; current.
The period of twelve hours.
Something which changes like the tides of the sea.
A stream, current or flood.
To pour a tide or flood.
To cause to float with the tide; to drive or carry with the tide or stream.
To work into or out of a river or harbor by drifting with the tide and anchoring when it becomes adverse.