a. [ AS. yldest, superl. of eald old. See Elder, a. ] 1. Oldest; longest in duration. Shak. [ 1913 Webster ]
2. Born or living first, or before the others, as a son, daughter, brother, etc.; first in origin. See Elder. “My lady's eldest son.” Shak. [ 1913 Webster ]
Their eldest historians are of suspected credit. Bp. Stillingfleet. [ 1913 Webster ]
Eldest hand (Card Playing), the player on the dealer's left hand. R. A. Proctor. [ 1913 Webster ]