Meaning: ハリネズミn. (Hira=はりねずみ, Kanji=針鼠) hedgehog, porcupine, small mammal with spiny hairs on its back and sides (found in Africa and Eurasia)n. (Hira=はりねずみ, Kanji=蝟) hedgehog, porcupine, small mammal with spiny hairs on its back and sides (found in Africa and Eurasia)