spineback

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noun

A fish with spines in, or in front of, the dorsal fins, such as the Notacanthus sexpinis or the spiny dogfish (Squalus acanthias).

Scrabble 19
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Meanings

nounspineback (plural spinebacks)

plural spinebacks

  1. biologyA fish with spines in, or in front of, the dorsal fins, such as the Notacanthus sexpinis or the spiny dogfish (Squalus acanthias).
  2. A spineback hairy crab, of species Pilumnus sayi

Origin

From spine + back.

Full word history & related roots →
Cite this entry
APA

spineback. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/spineback

MLA

“spineback.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/spineback. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “spineback,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/spineback.

Source: spineback on Wiktionary, CC BY-SA 4.0.