ontoDict.lkDict.lk - Sinhala to English DictionaryMeaning onto Tweet Sinhala Dictionary definitions for ontoonto 🔊 /ɑˈntu or ɔˈntu/onto : මතටonto definitionprep. On the top of; upon; oNoun. See On to, under On, prep.Lern More AboutWiki Definition: ontoGoogle Search result: GoogleWiki Article: Wikipedia Tweet