A flat, circular plate, or anything resemble it.

圆盘；薄平的圆板。

A flat, round growth or part, often composed of many small flowers, as the center of a daisy.

【植】花盘(植物体上的平圆部分如雏菊的中部)。

Apparently flat surface of a heavenly body.

天体远望为圆平状的表面。

Phonograph record.

唱片。

A round flat plate coated with a magnetic substance on which data for a computer can be stored; magnetic disk.

【电脑】磁碟。

Same as disc.

亦可作 disc。