Definition of "boor"

Not swear it, now I am a gentleman? Let boors and franklins say it, I'll swear it.

c. 1610–1611 (date written), William Shakespeare, “The Winters Tale”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, [Act V, scene ii], line 155

I question if any man ever saw his absent friend more clearly than did Shakespeare his Falstaff, for instance, or Scott his Balfour of Burleigh. But does it, therefore, follow that either of these great writers would, when hungry, have summoned up before him a clearer picture of his approaching dinner, than does the equally hungry or very much hungrier boor? This I doubt; and on the same principle I doubt if the said boor would see his dinner more clearly than a wolf, bear, or tiger would theirs when in quest of it.

1905, Edmund Selous, The Bird Watcher in the Shetlands, p. 107