in·​fra·​or·​der ˈin-frə-ˌȯr-dər How to pronounce infraorder (audio)
: a taxonomic category in biological classification ranking above a superfamily and below a suborder

Word History

First Known Use

1945, in the meaning defined above

Time Traveler
The first known use of infraorder was in 1945

Dictionary Entries Near infraorder

Cite this Entry

“Infraorder.” Dictionary, Merriam-Webster, Accessed 26 Feb. 2024.

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