Meaning of overturner in English:

overturner

Pronunciation /ˌəʊvəˈtəːnə/ /ˈəʊvəˌtəːnə/

noun

  • A person who or (occasionally) thing which overturns something; an overthrower.

Origin

Late 16th century; earliest use found in Richard Percyvall (c1558–1620), administrator and lexicographer. From overturn + -er.