A hybrid organism is any organism that is a combination of two different types of species / genotypes. For example a mule is the result of breading a horse and a donkey.
Purebred is "of only one kind." It's a mix of only ONE species or thing. Hybrid is that two or more things were mixed to create something. For example, a purebred dog is a Poodle, while a hybrid is a...
The definition of a hybrid trait is, more or less, a mixture from two different breeds.
For example, lets say Lion A mates with Lion B. Lion A and lion B aren't different breeds - they're both...