cookware; cooking utensil
General term for pots, pans, knives, and other tools used in cooking.
I'm going to buy new cookware.
This store has a good selection of cooking utensils.
食器 refers to tableware (dishes, bowls, etc.) used for serving and eating, while 調理器具 refers to tools used for cooking.
キッチン用品 is a broader, more casual term for kitchen goods, including both cookware and small accessories, while 調理器具 is more specific to cooking tools.
Compound of 調理 (cooking) and 器具 (utensil, tool).