Catchword and Prod

Catchword noun - A word printed at the top of the page of a dictionary or other reference book to indicate the first or last item on that page.

Prod and catchword are semantically related. In some cases you can use "Prod" instead a noun "Catchword".

Prod noun - A pointed instrument that is used to prod into a state of motion.

Catchword and prod are semantically related. Sometimes you can use "Catchword" instead a noun "Prod".