† subdial, a. Obs. rare.
[ad. L. subdiālis, f. sub- sub- 1 a + dī(v)um sky; cf. sub dio s.v. ‖ sub.]
Being in the open air, or under the open sky.
| 1647 N. Bacon Disc. Gov. Eng. i. iv. (1739) 10 The Athenian Heliastick or Subdial Court. 1656 Blount Glossogr., Subdial, abroad in the Air, without the house, all open. |