assignation

名词 assignation:

1. a secret rendezvous (especially between lovers)
   同义词：tryst
2. the act of distributing by allotting or apportioning; distribution according to a plan
   同义词：allotment, apportionment, apportioning, allocation, parceling, parcelling

as.sig.na.tion

n.（名词）
The act of assigning.
幽会：幽会的行为
Something assigned, especially an allotment.
被分派的，尤指分配
An appointment for a meeting between lovers; a tryst.See Synonyms at engagement
情人间的约会；幽会参见 engagement

【引伸】
as.signa.tional
adj.（形容词）