![deep-litter deep-litter](https://www.tekportal.net/wp-content/uploads/2019/01/deep-litter-1977.jpg)
noun (modifier) poultry farming
- denoting a system in which a number of hens are housed in one covered enclosure, within which they can move about freely, on a layer of straw or wood shavings several centimetres deepdeep-litter system
- kept in or produced by the deep-litter methoddeep-litter eggs