The stalk or stem of a plant — the part that supports leaves and flowers and connects roots to leaves. In cooking, it can mean the vegetable's stalk.
この花は茎が細くて折れやすい。
This flower has a thin stem that breaks easily.
セロリは茎の部分をサラダに入れるとおいしい。
Celery stems are tasty in salads.
茎の断面を観察して、内部の構造を調べた。
I observed a cross-section of the stem to examine its internal structure.