Subkingdom
Pronunciation : Sub*king"dom
Part of Speech : n.
Definition : Defn: One of the several primary divisions of either the animal, or vegetable kingdom, as, in zo?logy, the Vertebrata, Tunicata, Mollusca, Articulata, Molluscoidea, Echinodermata, Coelentera, and the Protozoa; in botany, the Phanerogamia, and the Cryptogamia.
Source : Webster's Unabridged Dictionary, 1913