phylum

Từ điển Oxford Advanced Learner 8th

phylum [phylum phyla] BrE [ˈfaɪləm] NAmE [ˈfaɪləm] noun (pl. phylaBrE [ˈfaɪlə] ; NAmE [ˈfaɪlə] )(biology)
a group into which animals, plants, etc. are divided, smaller than a ↑kingdom and larger than a ↑class
compare ↑genus

Word Origin:
late 19th cent.: modern Latin from Greek, phulon ‘race’.