Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A conical extension of the right ventricle in the heart of mammals, from which the pulmonary artery originates.
- noun An extension of the ventricle in the heart of amphibians and certain fish.
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
[New Latin cōnus artēriōsus : Latin cōnus, cone + Medieval Latin artēriōsus, arterial.]
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