from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Greatest in age or seniority. See Usage Note at elder1.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. superlative form of old: most old.; greatest in age or seniority.
from the GNU version of the Collaborative International Dictionary of English
- adj. Oldest; longest in duration.
- adj. Born or living first, or before the others, as a son, daughter, brother, etc.; first in origin. See Elder.
from The Century Dictionary and Cyclopedia
- Oldest; most advanced in age; that was born first: as, the eldest son or daughter.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the offspring who came first in the order of birth
- adj. first in order of birth
Middle English, from Old English eldesta; see al-2 in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)