Definition of 性機能 (せいきのう)
せいきのう
                        性機能
せいきのう
seikinou
noun
•
        
sex function
Related Kanji
| 性 | sex, gender, nature | 
| 機 | loom, mechanism, machine, airplane, opportunity, potency, efficacy, occasion | 
| 能 | ability, talent, skill, capacity |