D defs.my
Entry 2 senses Webster, 1913

Donor

/dōn'-ẽr/ · Do·nor · IPA /ˈdoʊnɚ/
01 n. One who gives or bestows; one who confers anything gratuitously; a benefactor. Inverse of recipient.
  1. 1.
    One who gives or bestows; one who confers anything gratuitously; a benefactor. Inverse of recipient.
  2. 2.
    One who grants an estate; in later use, one who confers a power; -- the opposite of donee.(Law)
    “Touching, the parties unto deeds and charters, we are to consider as well the donors and granters as the donees or grantees.” — Spelman.