1. (n) señor - are you being served, sir?: ¿alguien lo atiende, señor? as form of address: gen
2. (n) - Dear Sir, ¨: Estimado señor: ¨ : in correspondence
3. (n) - yes, sir: a la orden, mi¨ (capitán//teniente/oronel, etc.) : in the armed forces
4. (n) Sir - Sir William Mercy is her father: Sir William Mercy es su padre title