Which term refers to a pesticide used to control weeds specifically?

Herbicide is the term that specifically refers to a pesticide used for controlling weeds. These substances are designed to target and eliminate unwanted plant life without harming desirable plants. Weed control is crucial in agricultural practices, landscaping, and gardening as weeds compete for nutrients, water, and light, potentially stunting the growth of crops and ornamental plants.

Fungicides, while also a type of pesticide, are specifically formulated to combat fungal diseases in plants. They are effective against molds, mildew, and other fungal infestations but do not address weed issues.

Insecticides target insects, helping to control pest populations that may damage crops, gardens, or structures. Although they play an essential role in pest management, they do not have any effect on weeds.

Rodenticides are designed for the control of rodent populations, such as rats and mice. While they are an important tool for managing vermin, they do not have any function related to weed control.

Given the specific focus of the question on weed management, herbicide is the appropriate choice as it directly targets unwanted plant growth.