Definition of osteoma in US English:

osteoma

noun

  • A tumour of bone; specifically a well-circumscribed benign tumour composed of compact or trabecular bone, usually occurring in a bone of the skull.

Origin

Mid 19th century. From osteo- + -oma, after scientific Latin osteoma.

Pronunciation

osteoma

/ˌɒstɪˈəʊmə/