covert
US /ˈkoʊ.vɝːt/
UK /ˈkoʊ.vɝːt/

1.
not openly acknowledged or displayed
:
•
They conducted a covert operation to gather intelligence.
•
He cast a covert glance at her across the room.
1.
a thicket in which game can hide
:
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The hunters waited patiently near the covert, hoping for deer.
•
The fox disappeared into the dense covert.