Chamber and Packing box

Chamber noun - An area within a building that has been set apart from surrounding space by a wall.

Packing box and chamber are semantically related. In some cases you can replace phrase "Packing box" with "Chamber", this terms are similar.

Nearby Words: chambered, chambering

Packing box noun - A small chamber in which packing is compressed around a reciprocating shaft or piston to form a seal.

Chamber and packing box are semantically related. You can use "Chamber" instead a noun phrase "Packing box".