conus
noun
co·nus
| \ ˈkō-nəs
\
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Medical Definition of conus
1
capitalized
: a very large genus (the type of the family Conidae) of tropical marine snails comprising the cones and including many harmless forms and a few chiefly in the southwest Pacific that are highly dangerous because they are capable of biting with the radula and injecting a paralytic venom that has been known to cause death in humans