militia
/mɪˈlɪʃə/noun
1- a military force that is raised from the civil population to supplement a regular army in an emergency国民军（紧急情况时从国民中召集用以补充正规军）; 民兵（组织）。
1.1
- a military force that engages in rebel or terror activities, typically in opposition to a regular army武装叛乱分子; 恐怖武装。
1.2
- (in the US) all able-bodied civilians eligible by law for military service（美国）可依法征召的所有公民。
词源
late 16th cent.: from Latin, literally 'military service', from miles, milit- 'soldier'.