[ adjective ] constructed with or in the form of an arch or arches
"an arched passageway"
[ adjective ] (architecture) forming or resembling an arch
"an arched ceiling"
Used in print(Helen Hooven Santmyer, "There Were Fences"...)
Across the front of a yard and down the side , they were iron , either spiked along the top or arched in half circles .