tide

Entry Definition
(water, tide) its flow reverses, it flows in opposite direction (from the way it was flowing)
the tide is too high
the tide is at its lowest in its monthly cycle; it is neap tide
tide, ebb and flow of tide
the tide goes out; it is ebb tide
the tide is favorable (for launching boat, digging clams, etc.; good tidal current for canoeing, etc.)