dor`si*bran`chi*a"ta (?), n. pl. [NL., from L. dorsum back + branchiae gills.] Zool.
A division of chaetopod annelids in which the branchiae are along the back, on each side, or on the parapodia. [See Illusts. under Annelida and Chaetopoda.]
© Webster 1913.