erector

/ɪˈrɛktər/
noun
  1. A person or thing that builds or puts something in an upright position.
    • The erector of the tent made sure all the poles were secure.
    • He worked as an erector for a construction company, assembling steel frames.
    • The erector of the new bridge worked carefully to ensure safety.
  2. A muscle that straightens a part of the body, such as the erector spinae muscles along the spine.
    • The erector muscles in your back help you stand up straight.
    • The physical therapist focused on exercises for the erector muscles.
    • Strengthening your erector spinae can improve your posture.
Antonyms
What does "erector" mean? | whatsthatwordmean | whatsthatwordmean