What is the meaning of compressed?

verb

• Make more compact by or as if by pressing.
  • usage: "compress the data"
  • synonyms: compress, compact, pack together
• Squeeze or press together.
  • usage: "she compressed her lips"; "the spasm contracted the muscle"
  • synonyms: compress, constrict, squeeze, compact, contract, press

adjective

• Pressed tightly together.
  • usage: "with lips compressed"
  • synonyms: tight
• Reduced in volume by pressure.
  • usage: "compressed air"
• Flattened laterally along the whole length (e. G., certain leafstalks or flatfishes. ).
  • synonyms: flat