Save Type Surname (from location) Usage Japanese Scripts 大滝, 大瀧(Japanese Kanji) Pronounced Pron. /o̞ː.tä.kʲi/ [key·simplify] Other Forms FormsOtaki, Ohtaki, Ootaki Meaning & History From Japanese 大 (o) meaning "big, great" and 滝 or 瀧 (taki) meaning "waterfall".