Word: thornback
Part of speech: Noun
Syllables: thorn
back
Definition: The (Platyrhinoidis triseriata), a species of ray in the north-eastern Pacific Ocean.
Morphemes:
Affix: thorn
Language: en
PoS: Noun
Meaning: A sharp protective spine of a plant.
Affix: back
Language: en
PoS: Noun
Meaning: The keel and keelson of a ship.