| Word form | jaguchi |
| Original script | 蛇口 |
| LWT meaning(s) | |
| Word meaning | In 1660, this is mentioned as a name given to a mask in Kyōgen. In its present meaning, it first appears in 1919. Before that, tatsu no kuchi (927) or tatsugashira (1633) were used as well, referring to dragonhead-shaped openings of water pipes. jaguchi seems to be coined after that. |
| Analyzability | analyzable compound |
| Gloss | ja-guchi snake-mouth |
| Age | Early Modern Japanese [21] (1604–1867) |
| Lexical stratum | konshugo |
| Year | 1660 |
| Register | General |
| Numeric frequency | 0 |