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:
- 缶詰を開ける (to open a can)
- 缶詰食品 (canned food)
- 缶詰になる/にする (to be holed up/to hole someone up)
Colloquial usage:
- 缶詰状態 (being confined, shut-in state)
- Often used for intensive work sessions before deadlines
The word combines 缶 (can) + 詰め (packed/filled).