Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “phylum”


noun [C]     /ˈfai.ləm/ specialized
a main division in a taxonomic (= scientific naming and organization system ) relating to animals : Members of the largest and most diverse phylum of animals (Arthropoda), have segmented bodies and an external skeleton .Species and gendersCategories and varieties
(Definition of phylum noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of phylum

Definitions of “phylum” in other dictionaries

Translations of “phylum”

Word of the Day


a skilled and trained cook who works in a hotel or restaurant, especially the most important cook

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More