noun, plural sam·u·rai. Japanese History.
- a member of the hereditary warrior class in feudal Japan.
- a retainer of a daimyo.
noun plural -rai
- the Japanese warrior caste that provided the administrative and fighting aristocracy from the 11th to the 19th centuries
- a member of this aristocracy
n.1727, from Japanese samurai “warrior, knight,” originally the military retainer of the daimio, variant of saburai, nominal form of sabura(h)u “to be in attendance, to serve.”