What is the meaning of Sora?

A rail (Porzana carolina) bird of North, Central, and northern South America.

to smash

gravel (small fragments of rock, technical definition: soil with rocks predominantly with a size between 2 and 20, or even up to 60, mm in diameter)

then, afterwards

used to point out frustration against an action that supposedly contradicts or is in conflict with another given action, then

third-person singular single-possession possessive of sor

sister; nun

female equivalent of sor; lady, miss (before personal names or professions)

Rōmaji transcription of そら

Romanization of ꦱꦺꦴꦫ

above

teacher

professor

to be covered by thin ice layer (about water, stone or wood during a cold period of time)

loud

name of an arrow

sister

Sora people on Wikipedia.Wikipedia

member of the Sora ethnic community

sister

definite nominative/accusative singular of soră

Source: wiktionary.org