1) Chinese dog 2) Chinese hunting dog 3) Dog with an upturned tail 4) It has a blue-black tongue 5) Pickle relish with mustard 6) Popular preserve 7) Relish 8) Relish or canine Found on https://www.crosswordclues.com/clue/chowchow
• (n.) A kind of mixed pickles. • (a.) Consisting of several kinds mingled together; mixed; as, chowchow sweetmeats (preserved fruits put together). Found on http://thinkexist.com/dictionary/meaning/chowchow/
Chow'chow` adjective [ Chin.] Consisting of several kinds mingled together; mixed; as, chowchow sweetmeats (preserved fruits put together). Chowchow chop , the last lighter containing the small sundry packages sent off to fill up a ship. S. W. Williams. Found on http://www.encyclo.co.uk/webster/C/72