From Longman Dictionary of Contemporary Englishfree-rangeˌfree-ˈrange adjective TArelating to a type of farming which allows animals such as chickens and pigs to move around and eat naturally, rather than being kept in a restricted space → battery free-range eggs
Examples from the Corpus
free-range• Of course, it's not all free-range.• Reichardt is currently experimenting with free-range ducks, which are raised in an open field bordered by nearby trees to provide shade.• Buy free-range eggs if possible. 8.• Even free-range eggs should be well-cooked.• free-range hens• Also see the young lambs, various breeds of cattle and the flock of free-range hens.• Next year he ends the chase in which he tries to get the free-range hens.• Pheasant raised in pens tend to be slightly fattier and milder than free-range pheasant.• Under increasing public pressure, farmers are taking a greater interest in free-range systems which give a fairer deal to farm animals.• a free-range turkey 