Wiktionary
watchpoint
n. (context computing English) A debugging mechanism whereby execution is suspended every time a specified memory location is modified; ''or'', any of various similar such mechanisms.
Usage examples of "watchpoint".
The prince climbed the great boulder they had selected as their watchpoint, leaning into the shadow of another huge rock so that he could not easily be seen, and settled down to watch.
It was not unlike those we built for watchpoints along the Estcarpian border, save it had no windows.