tidalglossary / TIDAL tidal, adj. Affected by or having tides. • For a river to be “tidal” at a given spot, the water need not necessarily be salt, but the spot must be one where the tide, in the ordinary and regular course of things, flows and reflows. 词条贡献者 双语律师蓉婧,国内知名法学院民商法专业,擅长翻译各类与数据隐私及安全相关的法律文件。