A type of edible yam (Chinese yam) with a long, smooth tuber; commonly grated into 'tororo' or used sliced in various Japanese dishes. Usually written in kana.
毎朝、長芋をすってとろろご飯にしている。
Every morning I grate nagaimo and eat it over rice as tororo-gohan.
スーパーで長芋を一本買って、刻んでサラダに入れた。
I bought a nagaimo at the supermarket and chopped it into a salad.
長芋は消化を助けると言われ、疲れたときに食べる人も多い。
Nagaimo is said to aid digestion, and many people eat it when they're tired.
とろろそばにはすりおろした長芋がよく合う。
Grated nagaimo goes well with tororo soba.