Obs. Also 8 bye-. [f. BY- 3 a, 4, 5 + POST.]
1. In a building: A side post, a door post.
1535. Coverdale, Ezek. xli. 21. The bypostes of the temple were foure squared.
2. Service of horses for travelling on cross-roads. Dispatch of letters by cross-roads, or by a post subsidiary to the regular mail.
1593. in Municipal Acc. Newcastle (1848), 29. Paide to John Carr, post, for keeping horses for by-poste, 2s. 8d.
1720. Lond. Gaz., No. 5910/3. The Dispatch of the Bye-Post between Chester and York.
1766. Wilkes, Corr. (1805), III. 174. I have now, by the bye-post, an opportunity of just saying that I am well.