One that lurches or lies in wait; one who watches to pilfer, or to betray or entrap; one who lurks; a lurker; a poacher.

One of a mongrel breed of dogs said to have been a cross between the sheep dog, greyhound, and spaniel. It hunts game silently, by scent, and is often used by poachers.

someone waiting in concealment

A crossbred hound.

The Lurcher is not a dog breed, but rather a type of dog. It is a hardy crossbred sighthound that is generally a cross between a sighthound and a working breed, usually a pastoral dog or Terrier. Collie crosses have always been very popular.