Nectocalyx
Origin
New Latin, from Ancient Greek.
Full definition of nectocalyx
Noun
nectocalyx
(plural nectocalyces)- (zoology) The swimming bell or umbrella of a jellyfish or medusa.
- (zoology) One of the zooids of certain Siphonophora, having somewhat the form, and the essential structure, of the bell of a jellyfish, and acting as a swimming organ.