a covering that serves to conceal or shelter something; "a screen of trees afforded privacy"; "under cover of darkness"; "the brush provided a covert for game"; "the simplest concealment is to match perfectly the color of the background"何かを隠したり保護したりするのに役立つ覆い隠蔽
例:The brush provided a covert for game. キツネの尾が獲物を隠した。