La Niña

noun

La Ni·​ña lä-ˈnē-nyə How to pronounce La Niña (audio) -nyä How to pronounce La Niña (audio)
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

Word History

Etymology

Spanish, the (female) child

First Known Use

1981, in the meaning defined above

Time Traveler
The first known use of La Niña was in 1981

Browse Nearby Words

Cite this Entry

“La Niña.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/La%20Ni%C3%B1a. Accessed 10 Sep. 2025.

Kids Definition

La Niña

noun
La Ni·​ña lä-ˈnē-nyə How to pronounce La Niña (audio) -nyä How to pronounce La Niña (audio)
: 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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