Wiktionary
n. A small ranch or large home lot, often on the outskirts of a major metropolitan area and just past the planned neighborhoods, consisting of 40 acres and a house and possibly a barn or other outbuildings.
Gazetteer
Usage examples of "ranchette".
California and used the proceeds to buy a twenty-acre ranchette here in Big Sky country, five-bedroom log home, outbuildings, and everything.
Instead of being packed like rats into a gridlocked suburb, you can relax on a lush, secluded ten-acre ranchette, not far from the historic Suwannee River.
It was a pink Spanish-style ranchette, called El Hensch, and owned by the Henschels.
Professor Conrad lived on a two-acre ranchette in a house constructed of red slump block.
I had a few extra million like Dead Ed, I might have been tempted to buy this little ranchette, too.