adj.
Pronunciation: ' t ī -d ə l
Function: adjective
Date: 1807
1 a : of, relating to, caused by, or having tides < tidal cycles> < tidal erosion> b : periodically rising and falling or flowing and ebbing < tidal waters>
2 : dependent (as to the time of arrival or departure) upon the state of the tide <a tidal steamer>
– tid · al · ly \ -d ə l- ē \ adverb