Cover over
Definition 1 of 2
Pro Tip 1/3Physical Hidden
Used when something is physically concealed for protection or secrecy. 
He covered over his garden tools with a tarp to protect them from rain.
Pro Tip 2/3Temporary Solution
Indicates a quick fix that might not be a long-term solution. 
She covered over the broken window with cardboard until it could be repaired.
Pro Tip 3/3Protection Intent
Highlights the intention to shield or safeguard something from damage. 
To prevent scratches, they covered over the new floor with rugs.