丸首 まるくび noun (common) (futsuumeishi) 丸首まるくび Noun English JMdict 1 noun (common) (futsuumeishi) round-necked (T-shirt) 漢字 kanji used 丸 round, full (month) 3画 · JLPT N 2 首 neck, counter for songs and poems 9画 · JLPT N 3