Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun tombaugh
1 sense of tombaugh
Sense 1
Tombaugh, Clyde Tombaugh, Clyde William Tombaugh -- (United States astronomer who discovered the planet Pluto (1906-1997))
INSTANCE OF=> astronomer, uranologist, stargazer -- (a physicist who studies astronomy)