What (who) is guard dog - definition
WORKING DOG TRAINED TO DETECT INTRUDERS
Guard dogs; Sentry dog; List of guard dog breeds; List of Guard Dog Breeds; Guardian dog; Guard Dog; Watchdog (dog)
![A raggedly dressed man being bitten by a house guard dog. Etching by [[Thomas Lord Busby]], ca. 1826.](https://commons.wikimedia.org/wiki/Special:FilePath/A raggedly dressed man being bitten by a guard dog Wellcome L0049795.jpg?width=200 "A raggedly dressed man being bitten by a house guard dog. Etching by [[Thomas Lord Busby]], ca. 1826.")
![[[German Shepherd]] dog guarding property](https://commons.wikimedia.org/wiki/Special:FilePath/Beware of the poseur - geograph.org.uk - 1183105.jpg?width=200 "[[German Shepherd]] dog guarding property")
![docked tail]]) at the Archaeological Park of Lilybaeum, [[Marsala]], Sicily](https://commons.wikimedia.org/wiki/Special:FilePath/Lilibeo. Cave canem.jpg?width=200 "docked tail]]) at the Archaeological Park of Lilybaeum, [[Marsala]], Sicily")
![Presa canario dog]]](https://commons.wikimedia.org/wiki/Special:FilePath/Obrona.jpg?width=200 "Presa canario dog]]")
guard dog
(guard dogs)
A guard dog is a fierce dog that has been specially trained to protect a particular place.
N-COUNT
Guard (computer science)
BOOLEAN EXPRESSION EVALUATED TO DETERMINE IF A BRANCH OF A COMPUTER PROGRAM SHOULD CONTINUE TO BE EXECUTED
Guard statement; Pattern guard; Guard statements; Guard (computing); Guard clause; Guard pattern
In computer programming, a guard is a boolean expression that must evaluate to true if the program execution is to continue in the branch in question.
Include guard
CONSTRUCT IN C AND C++
Macro guard; Header guard; Inclusion guard
In the C and C++ programming languages, an #include guard, sometimes called a macro guard, header guard or file guard, is a particular construct used to avoid the problem of double inclusion when dealing with the include directive.
Wikipedia
Guard dog
A guard dog or watchdog (not to be confused with an attack dog) is a dog used to watch for and guard people or property against unwanted or unexpected human or animal intruders.
The dog is discerning so that it does not annoy or attack the resident humans of the house.
Examples of use of guard dog
1. "We have now a home without a guard dog," he says.
2. She marches up and down like a guard dog looking for trouble.
3. A guard dog was used to keep the intruder at bay before his arrest.
4. They just want a guard dog, an extra dick or a fashion accessory.
5. Guard Dog Security Services – Listed by Companies House and based in Kent. 64.