Dictionary.net

• The zooid developed from each of four parts constricted from the stolon process of an embryonic Ascidian.

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

• [Greek] The zooid developed from each of four parts constricted from the stolon process of an embryonic Ascidian (zool.).

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