The term "disc" has several meanings depending on its context.
1) In a general sense, disc refers to any flat circular object such as a coin or a record (as in vinyl records).
2) Disc can also refer to a cakey type of bread, typically round and flattened with a hole in the center, like a pizza crust.
3) In computer science, disc refers to a storage device that holds data magnetically, such as a hard drive or a CD/DVD.
4) Disc can also mean to separate two things by striking them apart using a tool, such as separating grains of wheat from the chaff using a winnowing fork.
5) In anatomy, disc refers to any flat structure that is thicker in the middle and tapering at both ends, like a vertebral disk or intervertebral disc between two spinal bones.