圣婴 is the Taiwan-standard rendering of El Niño (Spanish for 'the boy / Christ child') — the Pacific warming pattern. Mainland Chinese media usually transliterate as
厄尔尼诺 (È'ěrnínuò). Both terms now appear in cross-strait scientific writing. The opposite cooler phase, La Niña, is correspondingly
圣女 /
拉尼娜.
