Dictionary.net

• An aggregation of individuals in a Siphonophore, borne on the coenosarc and capable of liberation therefrom.

1920 - A dictionary of scientific terms.
By Henderson, I. F.; Henderson, W. D.

• [Greek] An aggregation of individuals in a siphonophore, borne on the coenosarc and capable of liberation therefrom.

1920 - A dictionary of scientific terms (6th edition)
By J.H. Kenneth