| ER | (physiology) of sexual organs |
|---|---|
| ER | upright in position or posture |
| ER | upright rhizomatous perennial with bright blue flowers |
| ER | (physiology) filled with vascular sinuses and capable of becoming distended and rigid as the result of being filled with blood |
| ER | capable of being raised to an upright position |
| ER | impotence resulting from a man's inability to have or maintain an erection of his penis |
| ER | an organ containing erectile tissue |
| ER | vascular tissue capable of filling with blood and becoming rigid |
| ER | the act of building or putting up |
| ER | a right-angled optical prism used to turn an inverted image upright |
| ER | the act of building or putting up |
| ER | a structure that has been erected |