tide noun definition in Coastlines and the sea topic from the Oxford Advanced Learner's Dictionary


 noun: Coastlines and the sea topic
[countable, uncountable] a regular rise and fall in the level of the sea, caused by the pull of the moon and sun; the flow of water that happens as the sea rises and falls the ebb and flow of the tide The tide is in/out. Is the tide coming in or going out? The body was washed up on the beach by the tide.