The Collaborative International Dictionary of English v.0.48:

Chen \Chen\ n.
   a wild goose having white adult plumage.

   Syn: subgenus Chen.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

Chen
    n 1: wild goose having white adult plumage [syn: Chen,
         subgenus Chen]

The Free On-line Dictionary of Computing (19 January 2023):

Peter P. Chen
Chen

    The developer of the Entity-Relationship model.

   (1995-02-07)