holonym, holonymy A whole name. A word that names the whole of which a given word is a part ('hat' is a holonym for brim and crown). Also, a 'tree' is a holonym of 'bark', of 'trunk', and of 'limb'; plus, a 'house' is a holonym of a room. Holonymy is the opposite of, or antonym of, meronymy. Found on http://www.wordinfo.info/words/index/info/view_unit/2565/5