Definiciones
1.NounAny 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.
2.NounThe thornback guitarfish (Platyrhinoidis triseriata), a species of ray in the north-eastern Pacific Ocean.
3.NounThe thornback ray or thornback skate (Raja clavata), a species of ray in the Atlantic Ocean.
4.NounThe thornback skate (Dentiraja lemprieri), a fish endemic to Australia.
5.NounA woman over a certain age (variously 26 or 30) who has never married, older than a spinster.