However, based on the words, it *could* refer to several things:
* A graduate who has completed some form of pre-employment training: This could be an internship, an apprenticeship, specialized bootcamp, or other professional development program completed *before* entering a full-time role after graduation. The training would have prepared them for their post-graduation job.
* A graduate who has received pre-training for a specific role: This could refer to someone who, even before receiving their degree, participated in a training program that helped them secure employment in a particular field.
To understand the meaning, you'd need more context – where did you hear or read this term? Knowing the source would help clarify its intended meaning.