La Niña
noun
La Ni·ña
lä-ˈnē-nyə 
-nyä
-nyä
plural La Niñas
: an irregularly recurring upwelling of unusually cold water to the ocean surface along the western coast of South America that often occurs following an El Niño and that disrupts typical regional and global weather patterns especially in a manner opposite to that of El Niño
Cite this Entry
“La Niña.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/La%20Ni%C3%B1a. Accessed 30 Sep. 2025.
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La Niña
noun
La Ni·ña
lä-ˈnē-nyə
-nyä
-nyä
: an irregularly occurring movement of deep cold water to the ocean surface along the western coast of South America that often occurs after an El Niño and that disrupts weather patterns especially in a manner opposite that of an El Niño
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