A locum is a healthcare professional who works on a temporary basis, filling in for other healthcare professionals who are absent or unavailable. The term "locum" is short for "locum tenens," which means "holding the place" in Latin.

Locum jobs are common in the healthcare industry, particularly in fields such as medicine, nursing, and pharmacy. Locums are often used to cover for healthcare professionals who are on vacation, sick leave, or who have left a position permanently.

Locum work can be a good option for healthcare professionals who want the flexibility to work on a temporary basis and to choose their own schedule. It can also be a good option for healthcare organizations that need to fill staffing gaps on a temporary basis.

If you are a healthcare professional and are interested in locum work, there are a number of agencies and organizations that can help you find opportunities. It is a good idea to research the different options and to consider the benefits and drawbacks of locum work before making a decision.