ELDEST a.
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. Their eldest historians are of suspected credit. Bp. Stillingfleet. Eldest hand (Card Playing), the player on the dealer's left hand. R. A. Proctor.
ENDOGEN n.
or some multiple of three, parts, and their embryos have but a single cotyledon, with the first leaves alternate. The endogens constitute one of the great primary classes of plants, and included all palms, true lilies, grasses, rushes, orchids, the banana, pineapple, etc. See Exogen.