from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any member of numerous species of marine annelids with two rows of scales, or elytra, along the back.
- n. An operation by which something is scaled back or reduced.
from the GNU version of the Collaborative International Dictionary of English
- n. Any one of numerous species of marine annelids of the family Polynoidæ, and allies, which have two rows of scales, or elytra, along the back. See Illust. under chætopoda.
from The Century Dictionary and Cyclopedia
- n. An annelid of the family Aphroditidæ; a scaleworm; a kind of marine worm covered with scales or elytra on the back, as a sea-mouse or sea-centiped: as, the scolopendrine scaleback, Polynoë scolopendrina. See cut under Polynoë.
scale + back (Wiktionary)