Bible Dictionaries
Nectocalyx

Webster's Dictionary

(1):

(n.) 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.

(2):

(n.) The swimming bell or umbrella of a jellyfish of medusa.

Bibliography Information
Webster, Noah. Entry for 'Nectocalyx'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​n/nectocalyx.html. 1828.