Found 2 items, similar to whereon.
English → English (WordNet) Definition: whereon whereon adv : on which; “land whereon to grow corn”
English → English (gcide) Definition: Whereon Whereon \Where*on"\, adv. [1913 Webster] 1. On which; -- used relatively; as, the earth whereon we live. [1913 Webster] O fair foundation laid whereon to build. --Milton. [1913 Webster] 2. On what; -- used interrogatively; as, whereon do we stand? [1913 Webster]