mummify - remove the organs and dry out (a dead body) in order to preserve it; "Th Egyptians mummified their pharaos"

conserve, maintain, preserve, keep up - keep in safety and protect from harm, decay, loss, or destruction; "We preserve these archeological findings"; "The old lady could not keep up the building"; "children must be taught to conserve our national heritage"; "The museum curator conserved the ancient manuscripts"