(a.) Of or pertaining to tides; caused by tides; having tides; periodically rising and falling, or following and ebbing; as, tidal waters.

affluent aquatic balneal confluent coursing decurrent deep-sea defluent diffluent estuarine flowing fluent fluxional fluxive grallatorial gulfy gushing littoral mazy meandering natant natatorial natatory pouring profluent racing running rushing seashore serpentine shore sluggish streaming surging surgy swimming vortical water-dwelling water-growing water-living water-loving