Learner's definition of VOCATION
1 [count] : a strong desire to spend your life doing a certain kind of work (such as religious work)
It was her vocation [=calling] to be a teacher.
This isn't just a job for me; it's a vocation.
people who follow a religious vocation
He never felt a real sense of vocation.
2 : the work that a person does or should be doing
his chosen vocation [=occupation]
She discovered architecture as her true vocation [=calling] while in college.
He feels he missed his vocation [=did not have the career he should have] by not becoming a doctor.