neap tide

Từ điển Oxford Advanced Learner 8th

neap tide f10 [neap tide neap tides] BrE [ˈniːp taɪd] NAmE [ˈniːp taɪd] (also neap) noun
a ↑tide in the sea in which there is only a very small difference between the level of the water at ↑high tide and that at ↑low tide