Found 2 items, similar to watchdog.
English → English (WordNet)
Definition: watchdog
watchdog
n 1: a guardian or defender against theft or illegal practices or
waste;
“she is the global watchdog for human rights
abuses”
2: a dog trained to guard property [syn:
guard dog]
English → English (gcide)
Definition: Watchdog
Watchdog
\Watch"dog`\ (w[o^]ch"d[o^]g`), n.
A dog kept to watch and guard premises or property, and to
give notice of the approach of intruders.
[1913 Webster]