名詞 privy:

1. a room or building equipped with one or more toilets
   同義詞：toilet, lavatory, lav, can, john, bathroom
2. a small outbuilding with a bench having holes through which a user can defecate
   同義詞：outhouse, earth-closet, jakes

形容詞 privy:

1. hidden from general view or use
   同義詞：secluded, secret
2. (followed by `to') informed about something secret or not generally known

1. A latrine; a privy.
   廁所舊式廁所; 茅坑
2. I was not privy to the discussion, so I cannot tell you what was decided.
   我并不了解討論的情況，所以無法告訴你做了什么決定。

priv.y

adj.（形容詞）
Made a participant in knowledge of something private or secret:
私下知情的，秘密參與的：參與或知道某件秘密的或私事的：
例句：
was privy to government secrets.
對政府秘密私下知情

Belonging or proper to a person, such as the British sovereign, in a private rather than official capacity.
個人的，私人的：私下而非公開地屬于或適合某人的，如英國君主
Secret; concealed.
秘密的；隱蔽的
n.（名詞）
【復(fù)數(shù)】 priv.ies

An outdoor toilet; an outhouse.
簡易廁所；戶外廁所
A toilet.
廁所
Law One of the parties having an interest in the same matter.
【法律】 利害關(guān)系人：就同一件事有利害關(guān)系的人

來源：
Middle English prive
中古英語 prive
from Old French
源自 古法語
from Latin prov3tus [private]
源自 拉丁語 prov3tus [私人的]
from provus [single, alone] * see per
源自 provus [單獨的，孤獨的] *參見 per