Definition from Wiktionary, the free dictionary
Alternative forms 
- captour (obsolete, rare)
captor (plural captors)
- One who is holding a captive or captives.
- One who catches or has caught or captured something or someone.
- (one holding a captive): guard, jailer, kidnapper
- (one who catches someone or something): arrester, nabber
See also 
- first-person singular present passive indicative of captō