coconut palm
Refers to the tree Cocos nucifera. Usually written in katakana.
南の島にはココヤシがたくさん生えている。
Many coconut palms grow on the southern island.
Katakana spelling is standard; the word is usually written in kana.
Kanji spelling is rare; the word is usually written in kana.
From English 'coco' + Japanese 椰子 (やし, 'palm tree').