A breed of a pet animal or farm animal is a particular type of it. For example, terriers are a breed of dog.

If you breed animals or plants, you keep them for the purpose of producing more animals or plants with particular qualities, in a controlled way.

When animals breed, they have babies.

If you say that something breeds bad feeling or bad behaviour, you mean that it causes bad feeling or bad behaviour to develop.

You can refer to someone or something as one of a particular breed of person or thing when you want to talk about what they are like.

Someone who was born and bred in a place was born there and grew up there.