What is the meaning of 生?

a raw, uncooked state

short for 生ビール (“draft beer”)

live

fresh, draft

raw, uncooked, rare

natural, unprocessed

a living

life

I or me, the first person singular (used by males)

a student

(be) born in

purity, a lack of any admixture, a state of being undiluted

unrefined

pure, undefiled, unadulterated

Source: wiktionary.org