from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A prolonged session, as for discussion.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A formal meeting, especially of a judicial or ecclesiastical body.
- n. Those people present at such a meeting.
from the GNU version of the Collaborative International Dictionary of English
- n. A sitting, as of a court or other body.
from The Century Dictionary and Cyclopedia
- n. There sat: a word used in minutes of the meetings of courts and other bodies in noting that such and such members were present and composed the meeting: as, sederunt A. B., C. D., etc. (that is, there sat or were present A. B., C. D., etc.).
- n. n. A single sitting or meeting of a court; also, a more or less formal meeting or sitting of any association, society, or company of men.
- n. A Scotch statute of 1692 relating to the formalities of publicity in conveying lands.
From Latin sēdērunt, third person pl. perfect tense of sedēre, to sit; see sed- in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin sederunt ("there were sitting"). (Wiktionary)