soil1 [ sɔıl ] noun count or uncount ***
1. ) the substance on the surface of the Earth in which plants grow:
The dry rocky soil is suitable for planting vines.
She scraped away some soil and grasped the top of the root.
2. ) the soil LITERARY farming as a job or way of life:
It's hard these days to make a living from the soil.
someone's native soil LITERARY
the country in which someone was born
on British/U.S./Japanese etc. soil
present or living in the U.K., the U.S., Japan, etc.:
He disappeared as soon as he landed on U.S. soil.
soil 2 [ sɔıl ] verb transitive FORMAL
to make something dirty:
She was afraid she might soil her new dress.
not soil your hands
to refuse to do something that you do not approve of
╾ soiled adjective:
soiled clothing

Usage of the words and phrases in modern English. 2013.