cero
noun
ˈser-(ˌ)ō 
plural cero or ceros
: a large spotted food and sport fish (Scomberomorus regalis) of the warmer parts of the western Atlantic
Example Sentences
Recent Examples on the Web Sus probabilidades cayeron a cero a partir de las 2 p.m. del lunes. 
Cindy Krischer Goodman, sun-sentinel.com, 10 Aug. 2021
Cindy Krischer Goodman, sun-sentinel.com, 10 Aug. 2021 Word History
Etymology
modification of Spanish sierra saw, cero
First Known Use
1869, in the meaning defined above