hakujin: Caucasian(s); white(s).
inu: Literally "dog," a commonly used term for Japanese Americans who were perceived as being informants for the War Relocation Authority administration and other governmental authorities.
Issei: First-generation Japanese immigrant in America.
matsutake: A well-known type of mushroom with distinct smell, which are found under pine trees, and are very expensive.
Nihonjin: Japanese person(s).
Nisei: American-born children of Japanese immigrants; second-generation Japanese Americans.
onigiri: Rice ball.
teppo: Gun.