Definition of "superclass"

superclass

noun
plural superclasses
1. (computing, object-oriented programming) A high-level class that passes attributes and methods down the hierarchy to subclasses.
2. (taxonomy) A taxon ranking below a phylum and above a class.
verb
third-person singular simple present superclasses, present participle superclassing, simple past and past participle superclassed
1. (transitive, computing, object-oriented programming) To create a superclass of.
  Quotations
  Applications incorporating superclassing "clean up" by calling UnregisterClass on all superclassed classes.
  2001, Stephen Teilhet, Subclassing and Hooking With Visual Basic, page 223