See also: clo, CLO, cló, clò, and cło English Noun Clo Abbreviation of close (in street addresses). 33 Chestnut Clo, Anytown Anagrams 'loc, -col-, COL, Col., LOC, LoC, OCL, OLC, col, col-, col., loc, loc.Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads