What is the meaning of Roka?

genitive singular of rok

color

Rōmaji transcription of ろか

hand, arm (each of the upper limbs of the human body, from shoulder to palm)

hand ..., manual (to be used with one's hands, arms; to be done, carried out with one's hands, arms)

sleeve (part of a garment that covers one's arms)

arm (a long, mobile mechanical device or part of a mechanical device; a handle)

to stitch

to sew

hand, arm

genitive singular of rok

hand

to sew

to pass by, pass over

rocket (Eruca sativa)

Source: wiktionary.org