thornback (plural thornbacks)
Any animal with a thorny back, especially marine animals, such as
The thornback guitarfish (Platyrhinoidis triseriata), a species of ray in the north-eastern Pacific Ocean.
The thornback ray or thornback skate (Raja clavata), a species of ray in the Atlantic Ocean.
The thornback skate (Dentiraja lemprieri), a fish endemic to Australia.
(archaic) A woman over a certain age (variously 26 or 30) who has never married, older than a spinster.
Source: Wiktionary
Thorn"back`, n.
1. (Zoöl.)
Definition: A European skate (Raia clavata) having thornlike spines on its back.
2. (Zoöl.)
Definition: The large European spider crab or king crab (Maia squinado).
Source: Webster’s Unabridged Dictionary 1913 Edition
12 May 2025
(adjective) not tried or tested by experience; “unseasoned artillery volunteers”; “still untested in battle”; “an illustrator untried in mural painting”; “a young hand at plowing”
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