1. A substantial area of something, typically a contrasting color or texture, on a surface
There was a large patch of snow in the middle of the field.
Havia uma grande mancha de neve no meio do campo.
2. An extensive piece of material used to cover or repair a damaged area
The mechanic applied a large patch to the tire.
O mecânico aplicou uma grande mancha no pneu.
3. A significant area of land used for cultivation or a specific purpose
A large patch of vegetables grew in their garden.
Uma grande mancha de vegetais crescia em seu jardim.