殻 refers to the hard outer covering of eggs, nuts, shellfish, or seeds.
COMMON TYPES:
COMMON EXPRESSIONS:
- 殻を剥く: to peel off a shell
- 殻を破る: to break through a shell
- 殻を割る: to crack a shell
FIGURATIVE USE:
自分の殻を破る means to break out of one's shell (overcome shyness or limitations).
RELATED:
- 皮: skin, peel (softer covering)
- 甲羅: shell (of turtles, crabs)