Peer is a person who is equal to another in abilities, qualifications, age, background, and social status.
In education, peer learning refers to students learning from and with each other.
The term "peer" also refers to:
1. A member of the British nobility (e.g. life peer)
2. To look closely or with difficulty (e.g. peer through the fog)
3. In networking, a peer-to-peer system where all participants are equal