D defs.my
Entry 3 senses Webster, 1913

Assignation

· As·sig·na·tion · IPA /æsɪɡˈneɪʃən/
01 n. The act of assigning or allotting; apportionment.
  1. 1.
    The act of assigning or allotting; apportionment.
    “This order being taken in the senate, as touching the appointment and assignation of those provinces.” Holland.
  2. 2.
    An appointment of time and place for meeting or interview; -- used chiefly of love interviews, and now commonly in a bad sense.
    “While nymphs take treats, or assignations give.” Pope.
  3. 3.
    A making over by transfer of title; assignment.
Phrases & compounds
House of assignation — a house in which appointments for sexual intercourse are fulfilled.