chicken tractor
n.— «A Chicken tractor is a chicken coop built on wheels and without a floor. This allow you to move the chickens around your orchard or yard on a regular basis. They eat the bugs, scratch and fertilize the soil and after a few days you move them to the next spot. No cleaning the bottom of the cage etc.» —“Re: Misc rural questions” by Laura White in Albuquerque, New Mexico Usenet: misc.rural May 25, 1995. (source: Double-Tongued Dictionary)
Further reading
Does language acquisition correspond with being ambidextrous? A woman notices her polyglot husband takes notes with his right hand for certain languages, then switches to his left for other ones. And: What’s the difference between an orchard and a...
What’s the difference between a grove and an orchard? Every orchard is a grove, but not every grove is an orchard. Can you speak of an apple grove or an orange orchard? Yes, although it’s far more common to say apple orchard and orange grove. The...