Origin of post-boat
First recorded in 1590–1600
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for post-boat
This evening at sunset I start in the post-boat for the mainland, on my way to the place of Juliet's tomb—Verona.Pencillings by the Way
N. Parker Willis
The twins (for such they proved to be) were most benignant giants, and asked us aboard the post-boat galliot for a chat.
The post-boat lay in her old berth at the eastern jetty, her mainsail set and her twin giants spitting over the rail.
It was the post-boat of that desolate rock, fetching letters from the mainland, and ready to receive them from Denmark.The Bondman</p>