“ni·sei \nē-ˈsā, ˈnē-ˌ\ n, pl nisei often cap [Jp, lit., second generation, fr. ni second + sei generation] (1929) : a son or daughter of Japanese immigrants who is born and educated in America and esp. in the U.S.”
Merriam-Webster. Merriam-Webster’s Collegiate Dictionary, 11th Edition (Kindle Locations 248367-248370). Merriam-Webster, Inc.. Kindle Edition.