What does Graecum mean in Latin?

Graecum, a noun, means “Greek language”.

What is the genitive of Graecum?

The genitive singular is Graecī. Graecum is neuter, second declension.

noun · neutersecond declension

Graecum n (genitive Graecī)

Late LatinneuterGreek language
Tius Graecum est. Patruus frater patris est, quasi pater alius.556–636 CE, Isidore of Seville, Etymologiae, page VIII:

What does Graecum mean in Latin?: Graecum, a noun, means “Greek language”.
What is the genitive of Graecum?: The genitive singular is Graecī. Graecum is neuter, second declension.