Tidal adj. Of or pertaining to tides; caused by tides; having tides; periodically rising and falling, or following and ebbing; as, tidal waters. "The tidal wave of deeper souls Into our inmost being rolls, And lifts us unawares Out of all meaner cares."
Tidal air (Physiol.), the air which passes in and out of the lungs in ordinary breathing. It varies from twenty to thirty cubic inches.
Tidal basin, a dock that is filled at the rising of the tide.
A vast, swift wave caused by an earthquake or some extraordinary combination of natural causes. It rises far above high-water mark and is often very destructive upon low-lying coasts.
