break cover
To suddenly and quickly emerge from a place of hiding or protection. We had to break cover as the enemy line advanced toward our position. Hunting dogs are especially good at forcing birds or other animals to break cover.
break cover
Suddenly emerge from a hiding place, as in The shots distracted our pursuers long enough so that we could break cover and make a run for it . This term originally alluded to animals being hunted, a frequent usage in the 16th century. Now that hunting is a less common pursuit, it is used for human beings.
break cover
emerge into the open; suddenly leave a place of shelter. Break cover originally referred to a hunted animal emerging from the undergrowth in which it had been hiding.
break cover
To emerge from a protected location or hiding place: The platoon broke cover and headed down the road.