Used to describe the natural development of a baby inside a living being. Kangaroos gestate their young for about 33 days.
Pro Tip 2/3
Not for Objects
Don't use 'gestate' for inanimate objects, it's only for living embryos or fetuses. Incorrect: The machine gestated the product. Correct: The machine produced the product.
Pro Tip 3/3
Literal Usage
It's typically used in a factual, scientific context, not metaphorically. Scientists studied how long sharks gestate their offspring.