atop

1. (literary or archaic) On, to, or at the top.Examples: "He has a handsome face, still bearded in the midst of a mostly clean-shaving nation, and with the white hairs prevalent on the cheeks and temples; his head is bald atop, though hardly from the uneasiness of wearing a crown."; "The envoy found the French king playing the part of horse while his young son rode atop."; "Everything large or small is carried atop out of habit as much as necessity, like a delightful but defiant challenge to the laws of gravity."archaicliterarynot-comparable