noun
Refers to grass grown as a ground cover, especially in gardens, parks, or sports fields. Can also mean the sod or turf itself.
庭に芝を植えた。
I planted grass in the garden.
子供たちが芝の上で遊んでいる。
The children are playing on the lawn.
The origin is uncertain, but it is a native Japanese word. The kanji 芝 is conventionally used for this meaning.