Wordnet 3.0
NOUN (1)
1.
an assistant editor;
The Collaborative International Dictionary of English v.0.48:
Subeditor \Sub*ed"i*tor\, n.
An assistant editor, as of a periodical or journal.
[1913 Webster]
WordNet (r) 3.0 (2006):
subeditor
n 1: an assistant editor