What is the meaning of Sn?

ISO 639-1 language code for Shona.

elliptic sine

Abbreviation of screenname.

liver

brother

brother

any closely related male family member, such as a cousin, uncle, or nephew

male lover or suitor

husband

a person of equal status who belongs to the same group or shares common characteristics; fellow

coworker, colleague

one of two opposing disputants in court, litigant

they, them (see usage notes)

to kiss

to smell

abbreviation of sono

abbreviation of socken (“parish”)

Source: wiktionary.org