(かい)

かい
noun
shellfish, shell
1. shellfish
Aquatic animals with shells, such as clams and oysters.
(かい)()べる。
To eat shellfish.
(かい)(くち)()じている。
The shellfish has its shell closed.
アサリは二枚貝(にまいがい)だ。
Clams are bivalves.
新鮮(しんせん)(かい)()った。
I bought fresh shellfish.
(かい)潮干狩(しおひが)りで()る。
To gather shellfish at low tide.
2. shell
The hard outer covering of shellfish.
浜辺(はまべ)(かい)(ひろ)った。
I picked up shells at the beach.
貝殻(かいがら)(あつ)める。
To collect seashells.
(うつく)しい(かい)()つけた。
I found a beautiful shell.
(かい)(かざ)りを(つく)る。
To make decorations with shells.
(かい)(みが)く。
To polish a shell.

(かい) refers to both shellfish (the animal) and their shells.

TYPES OF SHELLFISH:

  • 二枚貝(にまいがい): bivalve (clams, mussels)
  • ()(がい): gastropod, snail
  • アサリ: short-neck clam
  • ハマグリ: hard clam
  • 牡蠣(かき): oyster
  • ホタテ: scallop

COMMON EXPRESSIONS:

  • (かい)(ひろ)う: to pick up shells
  • (かい)()る: to gather shellfish
  • 潮干狩(しおひが)り: shellfish gathering at low tide

COMPOUNDS:

  • 貝殻(かいがら): seashell
  • 貝柱(かいばしら): adductor muscle (scallop meat)
  • 貝塚(かいづか): shell mound (archaeological)

CULTURAL NOTE:
潮干狩(しおひが)り is a popular spring activity in Japan.