Definition of Polacanthus in English:

Polacanthus

noun

  • A genus of nodosaurid dinosaurs characterized by large bony spines that were probably arranged on both sides of the backbone; (also polacanthus) a dinosaur of this genus.

Origin

Mid 19th century; earliest use found in The Illustrated London News. From scientific Latin Polacanthus from ancient Greek πολυ- + ἄκανθα thorn, spine + scientific Latin -us, after classical Latin masculine nouns in -us (to match the names of other dinosaur genera).

Pronunciation

Polacanthus

/ˌpɒləˈkanθəs/