口こう縁えん

noun

rim of a bowl or vessel

Refers to the upper edge or lip of a container such as a bowl, cup, or pot. Common in descriptions of pottery and tableware.

• この茶ちゃ碗わんは口こう縁えんが少すこし欠かけている。

  This teacup has a small chip on its rim.

noun

peristome

Technical term in botany for the ring of teeth around the mouth of a moss capsule. Rare outside specialist contexts.

• 蘚せん苔たい類るいの口こう縁えんは胞ほう子しの放ほう出しゅつを調ちょう節せつする。