onomaˈtologist [f. as next + -ist.] One versed in onomatology. 1695J. Edwards Perfect. Script. 236 Dr. Skinner, a great onomatologist.a1843Southey Doctor clxxvi. VI. 70 What would our onomatologist have said if he had learned to read these words?1847Webster, Onomatologist, one conversant with onomatology.