Sacs n. pl. : A tribe of Indians, which, together with the Foxes, formerly occupied the region about Green Bay, Wisconsin.

Example:
What happens when two emniotic Sacs come out at the same time on a pregnant dog?

Taxonomy
Southern Association of Colleges and Schools, Web Contact.

Defination from the web:
Regional accreditation agency for an 11-state region. Directories of accredited institutions, FAQs, school improvement programs, and other information about the accreditation process.