ss.

from The American Heritage® Dictionary of the English Language, 5th Edition.

• abbreviation scilicet
• abbreviation sections
• abbreviation Latin semis (one half)

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• abbreviation law Abbreviation of the Latin scilicet (namely, to wit, particularly), indicating that a legal document was executed in the designated place within that jurisdiction for such an act.