The term 'Diminutive Dog' refers to a small breed of dog. The crossword solutions for this term are TOY (3 letters), Peke (4 letters), PUP (3 letters), and Miniature Poodle (15 letters). TOY is a general term for a plaything, while Peke is a type of TOY dog originating from China. PUP is a slang term for a young dog, and Miniature Poodle is a breed of small poodle. All of these terms refer to small dogs, making them suitable solutions for the term 'Diminutive Dog'.