Definitions

1. noun

A large, egg-laying, duck-billed mammal native to Australia, with a bill like a duck, a body like a beaver, and a tail like a beaver.

“The platypus is a unique and fascinating creature.”

2. noun

A person or thing that is unusual or unexpected.

“He’s a bit of a platypus in the business world, with his old-fashioned ways and modern ideas.”