名詞 covert:

1. a flock of coots
2. a covering that serves to conceal or shelter something
   同義詞：screen, cover, concealment

形容詞 covert:

1. secret or hidden; not openly practiced or engaged in or shown or avowed
2. (of a wife) being under the protection of her husband

1. The deer fled to a covert.
   鹿逃入?yún)擦种小?/div>
2. Covert military operations; covert funding for the rebels.
   秘密軍事行動; 叛亂者的秘密資金
3. Religion is often made the covert of crime.
   宗教常成為罪惡的護庇所。

cov.ert

adj.（形容詞）
Not openly practiced, avowed, engaged in, accumulated, or shown:
秘密的：非公開地實行、承認、參與、積累或顯示的：
例句：
covert military operations; covert funding for the rebels.See Synonyms at secret
秘密軍事行動；叛亂者的秘密資金參見 secret

Covered or covered over; sheltered.
隱藏的或覆蓋的；遮蔽的
Law Being married and therefore protected by one`s husband.
【法律】 已婚的：已經(jīng)結婚因而受到其丈夫保護的
n.（名詞）
A covering or cover.
覆蓋物或蓋子

A covered place or shelter; hiding place.
隱藏處或遮蔽處；藏身的地方
Thick underbrush or woodland affording cover for game.
樹叢：可供動物藏身的濃密的下層林叢或樹林
Zoology One of the small feathers covering the bases of the longer feathers of a bird`s wings or tail.
【動物學】 覆羽：蔽覆在鳥的翅膀或尾巴上長羽毛基部的小羽毛
A flock of coots.See Synonyms at flock
一群大鹋參見 flock

來源：
Middle English
中古英語
from Old French [from past participle of] covrir [to cover] * see cover
源自 古法語 [] 源自covrir的過去分詞 [覆蓋] *參見 cover

【引伸】
cov.ertly
adv.（副詞）
cov.ertness
n.（名詞）