conus
Concise Oxford English Dictionary © 2008 Oxford University Press:
conus /ˈkəʊnəs/
▶noun (pl. coni /-nʌɪ/) Anatomy
- 1 (also conus arteriosus /ɑːˌtɪərɪˈəʊsəs/) the upper front part of the right ventricle of the heart.
- 2 (also conus medullaris /ˌmɛdəˈlɑːrɪs/) the conical lower extremity of the spinal cord.
– origin C19: from L., lit. ‘cone’.
'conus' also found in these Oxford entries:

