Definition of posture-master in English:

posture-master

Pronunciation /ˈpɒstʃəˌmɑːstə/ /ˈpɒstʃəˌmastə/

noun

historical
  • A master of the art of posturing; an expert in assuming unusual postures or attitudes of the body; especially an acrobat or contortionist. Also figurative.

Origin

Late 17th century; earliest use found in Satyr against French. From posture + master.