LATIN DICTIONARYLexicon Latīnum
adjectivefirst/second-declension adjective

spīneus

spīneus (feminine spīnea, neuter spīneum)
Classical[ˈspiː.ne.ʊs]Ecclesiastical[ˈspiː.ne.us]

Meaning

  1. adjectivethorny, spiny

Latīnē defined in Latin in our graded readers

Declension

singular
formmasculinefeminineneuter
nominativespīneusspīneaspīneum
genitivespīneīspīneaespīneī
dativespīneōspīneaespīneō
accusativespīneumspīneamspīneum
ablativespīneōspīneāspīneō
vocativespīneespīneaspīneum
plural
formmasculinefeminineneuter
nominativespīneīspīneaespīnea
genitivespīneōrumspīneārumspīneōrum
dativespīneīsspīneīsspīneīs
accusativespīneōsspīneāsspīnea
ablativespīneīsspīneīsspīneīs
vocativespīneīspīneaespīnea

spīnĕus, a, um, adj. id.,
I. of or made of thorns, thorny (very rare): vincula, Ov. M. 2, 789: frutices, Sol. 7 fin.

Origins

Proto-Indo-European *spey-der. Proto-Italic *speinā Latin spīna Proto-Indo-European *-éyos Proto-Italic *-ejos Proto-Italic *-eos Latin -eus Latin spīneus From spīna (“thorn”) + -eus.

Quick answers

What does spīneus mean in Latin?
spīneus, a adjective, means “thorny, spiny”.
How do you pronounce spīneus?
In classical Latin, [ˈspiː.ne.ʊs]; in ecclesiastical (church) Latin, [ˈspiː.ne.us].