What is the meaning of Sinn?

Obsolete spelling of sin.

tooth

mind

mind

alternative form of synn

alternative form of sínn (“one’s”)

time, occurrence

time, times

singular imperative of sinnen

time, as in occurrence

Third-person reflexive possessive determiner: his (own), her (own), its (own), their (own)

we, us

we

to be

first-person plural pronoun; we, us

Source: wiktionary.org