scaleback

scaleback is defined in Webster's Unabridged Dictionary (1913) with 1 sense. The full text of each entry is reproduced verbatim below.

Definitions

  1. 1.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.

Source: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).

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