retriever
Word family adjectiveretrievablenounretrievablenessretrievalretrievementretrieverretrievingadverbretrievablyverbretrieve
Animals
re·triev·er /rɪˈtriːvə $ -ər/ noun [countableC] 
HBADLOa type of dog that can be trained to find and bring back birds that its owner has shot 〔经训练会衔回猎物的〕寻回犬Examples from the Corpus
retriever• The spooky goings-on happened when night watchman James Durham spotted a man with a heavy overcoat walking his black retriever.• Twenty years later, he got a golden retriever and named her Allie.• Of course, a well-trained Labrador made a good retriever.• At this scale, a single ethanol molecule is roughly the size of a corpulent Labrador retriever.• Others walked the retrievers, using spring-driven leashes.• This retriever is walking to heel.• And, accordingly, the two retrievers trained by De Cagny for the film came from an animal rescue program.• Some breeds show a much greater desire to enter water than others, with retrievers tending to be especially keen.