Celeriac

[Sarah]

Turnip-rooted celery, a from of celery with a large globularroot, which is used for food.

[Sarah]

and it does just mean celery

[Zipporah Schumaker]

Also known as celery root. A root vegetable that houses a white fleshed interior beneath its rough skin.

[Dianne]

Celery of a variety that forms a large swollen root that can be eaten cooked or raw.

[Michiko]

a type of celery with a large, round, white root, eaten as a vegetable