D defs.my
Entry 2 senses Webster, 1913

Reunion

/rē-o͞on'-yən/ · Re·un·ion · IPA /ɹiːˈjuːnjən/
01 n. A second union; union formed anew after separation, secession, or discord; as, a reunion of parts or particles of matter; a reunion of part…
  1. 1.
    A second union; union formed anew after separation, secession, or discord; as, a reunion of parts or particles of matter; a reunion of parties or sects.
  2. 2.
    An assembling of persons who have been separated, as of a family, or the members of a disbanded regiment; an assembly so composed.