Definition of osteoderm in English:

osteoderm

noun

Zoology
  • A bony plate in the skin, especially of a reptile.

Origin

Late 19th century. From osteo- + -derm. Compare earlier osteodermal, osteodermatous, and slightly earlier osteodermous.

Pronunciation

osteoderm

/ˈɒstɪədəːm/