Sentence:  When the dog's owners returned with their shopping, I asked what the little dog was. She was a <WSD>Jug</WSD>, a Jack Russell-Pug cross. We found out lots about this crossbreed, thought long and hard, and decided a <WSD>Jug</WSD> and a Spitz could work really well together. 
Meaning of the word marked with <WSD> tags:  A small mixed breed of dog created by mating a Jack Russell terrier and a pug.