Baseball diamond and Piece of ground

Baseball diamond noun - The area of a baseball field that is enclosed by 3 bases and home plate.

Piece of ground and baseball diamond are semantically related. In some cases you can use "Piece of ground" instead a noun phrase "Baseball diamond".

Piece of ground noun - An extended area of land.

Baseball diamond and piece of ground are semantically related. Sometimes you can replace phrase "Baseball diamond" with "Piece of ground", this phrases are similar.