from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An elected official or political party leader who attends a presidential nominating convention and who may or may not have made a commitment to vote for a candidate.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A member of the Democratic Party who has been selected to attend the national convention to help select a nominee for president.
From super- + delegate, indicating these delegates' perceived elevated status: though they officially represent only themselves, they have as much say as elected delegates who represent a region or state. Originally written super-delegate or super delegate; the former is attested since 1981. (Wiktionary)