Locum – A person who temporarily fulfils duties of another (note: the term is especially used for a physician or clergyman)

To remember the definition of the word locum, use the following mnemonic:

Can someone local come (locum) and fill in while the other doctor is sick?

Examples of locum in a sentence

A locum consultant failed to spot the result of her earlier test and arranged for a totally unnecessary operation.

I want just one spell of six months as a locum in some exotic place.

We need a locum vicar next Sunday, or the service won't go ahead.