Found 2 items, similar to subclass.
English → English (WordNet) Definition: subclass subclass n : (biology) a taxonomic category below a class and above an order
English → English (gcide) Definition: Subclass Subclass \Sub"class`\, n. One of the natural groups, more important than an order, into which some classes are divided; as, the angiospermous subclass of exogens. [1913 Webster]