0 a part of something: --
1 a single object of a particular type: --
a chess piece
an orchestral/piano/instrumental piece
Each piece is quite unique, owing to the fact that all her creations are hand-knitted.
a piece of information/advice
2 a gun: --
3 a sandwich: --
a ham piece
5 a part of something: --
The winning novel truly is a magnificent piece of writing.
How many pieces of baggage do you have?
Valuable pieces of china were on display in a glass-fronted cabinet.
If you listen carefully to this piece of music, you can hear a flute in the background.
I read an interesting piece of information in the newspaper.