the GNU version of the Collaborative International Dictionary of English
adj. Of or pertaining to tides; caused by tides; having tides; periodically rising and falling, or following and ebbing.
The Century Dictionary and Cyclopedia
Of or pertaining to a tide or the tides; subject to or characterized by a periodical rise and fall or ebb and flow: as, a tidal river; tidal waters; a tidal basin.
Dependent on the tides: as, a tidal steamer (that is, a steamer the hour of whose departure is regulated by the state of the tide); tidal trains (that is, trains that run in connection with tidal steamers).
Figuratively, a wide-spread or general manifestation of strong feeling or sentiment: as, a tidal wave of popular indignation.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. of or relating to or caused by tides
Word Usage
"A sea-bred boy would not have stayed a day on Earraid, which is only what they call a tidal islet, and, except, in the bottom of the neaps, can be entered and left twice in every twenty-four hours, either dry-shod, or, at the most, by wading."