co-aration
(kəʊəˈreɪʃən)
[co- 3 a.]
Cooperative ploughing or tillage, as practised by ancient village communities.
| 1883 Seebohm Eng. Vill. Commun. iv. iii. 117 (title) The open field system of co-aration described in the ancient Laws of Wales. Ibid. 121 Team of eight oxen in the co-aration. |