Tidal

[Sarah]

Of or pertaining to tides; caused by tides; having tides;periodically rising and falling, or following and ebbing; as, tidalwaters.The tidal wave of deeper souls Into our inmost being rolls, And liftsus unawares Out of all meaner cares. Longfellow.Tidal air (Physiol.), the air which passes in and out of the lungs inordinary breathing. It varies from twenty to thirty cubic inches.-- Tidal basin, a dock that is filled at the rising of the tide.-- Tidal wave. (a) See Tide wave, under Tide. Cf. 4th Bore. (b) Avast, swift wave caused by an earthquake or some extraordinarycombination of natural causes. It rises far above high-water mark andis often very destructive upon low-lying coasts.

[Sarah]

overwhelming, like a tidal wave