neap tideneap tide
A tide that occurs when the difference between high and low tide is least. Neap tide comes twice a month, in the first and third quarters of the moon.
Origin of neap tideMiddle English neep from Old English nēp(flōd) neap (tide)
Neap tides occur when the sun, earth, and moon form a right angle and the gravitational pull of the sun counteracts the pull of the moon.
(plural neap tides)
- spring tide