貝殻

かいがら

shell

JLPT N1

Character Breakdown

Meaning and Usage

The word 貝殻 (かいがら) specifically refers to the hard outer shell of sea creatures like clams, oysters, and other mollusks. It is commonly used in everyday conversation when talking about beaches, marine life, or crafts.

Common Contexts

You will often hear 貝殻 when discussing collecting shells on the beach, making jewelry or decorations, or describing natural objects found by the sea. It is a concrete noun and usually appears in casual or neutral speech.

Collocations and Patterns

  • 貝殻を拾う (かいがらをひろう): to pick up shells, often used when talking about beachcombing.
  • 貝殻細工 (かいがらざいく): shell crafts, referring to making art or accessories from shells.
  • 珍しい貝殻 (めずらしいかいがら): rare shell, used to describe unusual or unique shells.

Usage Notes

When using 貝殻, it is important to note that it refers to the shell itself, not the animal inside. Learners sometimes confuse 貝殻 with 貝 (かい), which means shellfish or mollusk as a living creature. Use 貝殻 when focusing on the shell object, especially in contexts like collecting or crafting.

The word is neutral in politeness and can be used in both casual and formal contexts without issue.

Example Sentences

うみべでたくさんのかいがらをひろいました。

I picked up many shells on the beach.

かいがらをつかってアクセサリーをつくるのがすきです。

I like making accessories using shells.

このかいがらはとてもめずらしいかたちをしています。

This shell has a very rare shape.