a.

1. 隱蔽的；隱藏的；暗地的
   covert military operations

   祕密軍事行動

   a covert glance

   偷偷的一瞥

2. 【罕】掩蓋的；遮蔽的
3. 【律】受丈夫保護的

n.

1. 隱蔽處；（鳥獸藏身的）叢林[C]
   fire from coverts

   從掩蔽處射擊

2. 隱蔽；掩飾[U]
3. 【鳥】覆羽[C][P1]

adj.

n.

1. a thicket in which game can hide.
2. Ornithology  a feather covering the base of a main flight or tail feather of a bird.