tornado
Pronunciation: /tɔːˈneɪdəʊ/
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Definition of tornado
noun ( plural tornadoes or tornados)
Derivatives
Pronunciation: /-ˈnadɪk/
adjective
Origin:
mid 16th century (denoting a violent thunderstorm of the tropical Atlantic Ocean): perhaps an alteration of Spanish tronada 'thunderstorm' (from tronar 'to thunder') by association with Spanish tornar 'to turn'
Spelling help
The plural of tornado can be spelled either tornadoes or tornados.