on ‧ o ‧ mat ‧ o ‧ poe ‧ ia /ˌɒnəmætəˈpiːə $ ˌɑːn-/ BrE AmE noun [uncountable] technical
[ Date: 1500-1600 ; Language: Late Latin ; Origin: Greek onomatopoiia , from onoma 'name' + poiein 'to make' ]
the use of words that sound like the thing that they are describing, for example ‘hiss’ or ‘boom’
—onomatopoeic adjective