locum

noun3

1. •
   (UK, Australia) A period working as a locum tenens.
2. •
   (UK, Australia) Ellipsis of locum tenens.

   • "I asked about his Joes, he said the Joes could look after themselves and if Jack was bothered about them he could send a locum." — 1986
3. •
   (historical) A share in a Genoese trading vessel.