Webster's Revised Unabridged Dictionary · 1913

Landdrost

Landdrost , noun

[Dutch, from land land + drost a kind of official; akin to German truchsess.]

(a)
A chief magistrate in rural districts. He was replaced in 1827 by “resident magistrates.”
(b)
The president of the Heemraad. [In South Africa]

Also: Landtrost