English word megalopenis comes from English penis, English megalo- (Large, great or exaggerated.)
| Dictionary entry | Language | Definition |
|---|---|---|
| penis | English (eng) | (anatomy) The male reproductive organ used for sexual intercourse that in the human male and some other mammals is also used for urination; the tubular portion of the male genitalia (excluding the scrotum). |
| megalo- | English (eng) | Large, great or exaggerated. |
| megalopenis | English (eng) | The condition of having an abnormally large penis; macropenis. |