Definitions

1. noun

A surname of Japanese origin, commonly associated with the 87th and 89th Prime Minister of Japan, Junichiro Koizumi.

“The media covered the life and career of Prime Minister Koizumi extensively.”

2. proper noun

A given name, for example Junichiro Koizumi, a Japanese politician.

“The politician known as Koizumi introduced several significant reforms during his term.”