一いっ穴けつ

noun

one hole; single hole

Literal meaning: a single opening or perforation. Used in technical or descriptive contexts.

• この部ぶ品ひんには一いっ穴けつだけ開あいている。

  This part has only one hole drilled in it.

noun

combined toilet bowl; toilet for both urination and defecation

Refers to a toilet bowl designed for both urination and defecation, as opposed to separate fixtures. Often used in contexts like portable toilets or traditional Japanese toilets.

• 簡かん易いトイレは一いっ穴けつ式しきが多おおい。

  Many portable toilets are of the combined type.

noun

effective moxibustion point; single acupoint for moxibustion

In traditional medicine, a specific point on the body where moxibustion is applied effectively. Technical term.

• 灸きゅう治ち療りょうでは、一いっ穴けつに集しゅう中ちゅうして据すえることもある。

  In moxibustion therapy, sometimes the treatment is focused on a single effective point.

noun

one-woman man; man devoted to one woman

Colloquial, somewhat dated expression for a man who is faithful to one woman or only interested in one woman at a time.

• 彼かれは一いっ穴けつ主しゅ義ぎらしいよ。

  He seems to be a one-woman kind of guy.