- The definition of neap is a type of tide that happens just after the first and third quarters of the lunar cycle when the low tides are higher and the high tides are lower.
An example of neap is weaker tides present in the oceans.
neap definition by Webster's New World
designating a type of tide that occurs after the first and third quarters of the lunar month: at these times the high tides are lower and the low tides are higher than the corresponding tides during spring tide because of the gravitational effects of the right-angled alignment of the moon, earth, and sun
Origin: Middle English neep ; from Old English nep- in nepflod, neap tide
Dialectal the tongue of a wagon drawn by two animals
Origin: probably ; from Old Norse as in Norwegian dialect, dialectal neip, forked pole