commonable
/ˈkɒmənəbl/adjective
1- Brit., chiefly historical (of land) allowed to be jointly used or owned〈英, 主史〉（土地）共用的; 公有的。
1.1
- (of an animal) allowed to be pastured on public land（动物）准许在公有地上放牧的：
these Acts exclude the deer and commonable cattle.
这些法案把鹿和可在公有地上放牧的牛排除在外。
词源
early 17th cent.: from obsolete common 'to exercise right of common' + -ABLE.