ONOMATOLOGY Meaning of ONOMATOLOGY in English [on.o.ma.tol.o.gy] n [F onomatologie, fr. Gk ono mat-, onoma name + F -logie -logy] (ca. 1847): onomastics -- on.o.ma.tol.o.gist n Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012