UPPER CANNON(noun)Did you mean?RhymesDefinitions There is 1 meaning of the phrase Upper Cannon. Upper Cannon - as a noun Cannon that provides plate armor for the upper arm Synonyms (Exact Relations)rerebrace13Word Variations & RelationsAnagramsStarts UStarts UPStarts UPPStarts UPPEEnds NEnds ONEnds NONEnds NNONStarts U & ends NStarts UP & ends NStarts U & ends ONA-Z Proximitiesupmost10upo5upon6upped10upper9 Upper Cannon upper-classupper-levelupper-normandyuppercase15uppercased17