2. (noun) scraping, abrasion, rasping, friction.
Kua mahia he parau hou e ngā iwi o tāwāhi, ā, ko to āhua o taua parau, e kore e nui te hākuku haere o te parau i te tōnga a te hōiho i te whenua (TW 19/10/1878:516). / A new plough has been made by the nations overseas and the nature of that plough is that there is not much friction when the horses pull the plough through the ground.
Synonyms: waku, māngūngungu, waruwaru, hāro, raraku, honihoni
3. (noun) radula.
Ko te hākuku hei ingoa mō te hanganga niho o te kaiwhao, hei wakuwaku mā rātou i ā rātou kai i ngā toka moana (RP 2009:235). / Radula is the name for the toothy structure of a mollusc used to scrape off their food from the ocean rocks.
