1.
canned food, canned goods
Food preserved in sealed metal containers.
2.
being shut in, confinement
Colloquially, being confined to a room working intensively without leaving.
缶詰 refers to canned/tinned food, but also has a colloquial meaning.
Common expressions:
Colloquial usage:
- 缶詰状態 (being confined, shut-in state)
- Often used for intensive work sessions before deadlines