容器

1. Origins, structure, and basic meaning

• Structure: 容器 (ようき) is a container or vessel for holding food, liquid, or other contents. It appears through a structural feature and a performance requirement.
• Basic usage: Leftover food is moved into a lidded container; liquid requires a vessel that will not leak.

2. Common pitfalls and similar expressions

• Container selected for food storage and vessel selected for leak resistance
  • ふた付きの容器 emphasizes the presence of a lid, while 液体が漏れない容器 emphasizes containment performance. The material of the vessel is unspecified.