subphylum

noun

sub·phy·lum ˈsəb-ˌfī-ləm

: a category in biological classification ranking below a phylum and above a class

Word History

Etymology

New Latin

First Known Use

1869, in the meaning defined above

Time Traveler

The first known use of subphylum was in 1869

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Browse Nearby Words

subphylar

subphylum

subplacenta

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Cite this Entry

Style

“Subphylum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/subphylum. Accessed 24 Jul. 2025.

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Medical Definition

subphylum

noun

sub·phy·lum ˈsəb-ˌfī-ləm

plural subphyla -lə

: a category in biological classification ranking below a phylum and above a class

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