oilletEtymologyBorrowed from French œillet, from œil (“eye”), from Latin oculum, accusative singular of oculus.nounA round hole or circle with which an opening for an arrowslit terminates.“Entertaining myself with such reflections as these, I had walked perhaps half a league (halting from time to time to spy out both public halls and private apartments through the oillets the place provided) when I stumbled over the body of an assassin.”