tidally

adjective

1. of, pertaining to, characterized by, or subject to tides: a tidal current.
2. dependent on the state of the tide as to time of departure: a tidal steamer.

adjective

1. relating to, characterized by, or affected by tidesa tidal estuary
2. dependent on the state of the tidea tidal ferry
3. (of a glacier) reaching the sea and discharging floes or icebergs

adj.1807, a hybrid formation from tide (n.) + Latin-derived suffix -al (1). A tidal wave (1830) is properly high water caused by movements of the tides; erroneous use for “tsunami, great ocean wave caused by an earthquake, etc.” is recorded from 1878. adj.

1. Resembling the tides; alternately rising and falling.