What is the meaning of ossified?

verb

• Become bony.
  • usage: "The tissue ossified"
  • synonyms: ossify
• Make rigid and set into a conventional pattern.
  • usage: "rigidify the training schedule"; "ossified teaching methods"; "slogans petrify our thinking"
  • synonyms: rigidify, ossify, petrify
• Cause to become hard and bony.
  • usage: "The disease ossified the tissue"
  • synonyms: ossify

adjective

• Set in a rigidly conventional pattern of behavior, habits, or beliefs.
  • usage: "obsolete fossilized ways"; "an ossified bureaucratic system"
  • synonyms: fossilized, fossilised