What does イルカ mean?
イルカ is a Japanese noun meaning “dolphin” in English. It is written as イルカ in katakana, and iruka in romaji. This word is part of JLPT N4 vocabulary.
Example sentences
海でイルカが泳いでいるのを見た。
I saw dolphins swimming in the sea.
イルカはとても頭がいい動物だ。
Dolphins are very intelligent animals.