labor, labors

Definition:

Used in this sense, the term “labor” refers to the process of a woman giving birth.

The phrase “in labor” is often used to describe a woman who is in the process of giving birth.
The phrase “labor pains” refer to the pain which a woman experiences in the process of giving birth.
In English, the word “labor” is used to describe the process of giving birth. Other languages may have a completely different word for this.
Another way to translate the phrase “in labor” is “giving birth”