iceman

noun

1. (historical)A person who trades in ice; a person employed to deliver block ice to those lacking electric refrigeration.
2. A man who is skilled in travelling upon ice, as among glaciers.

   “We were accompanied by our two guides, Jean Baptiste Croz and Michel Croz, of Chamounix, two capital icemen, and worthy fellows.”

3. A human figure carved out of ice.
4. An ancient human male mummified in ice.
5. (slang)An assassin.
6. (slang)One who is cool under pressure.

   “Baltiel had always been the iceman, harsh and distant and lacking in sentiment.”

7. (dated)A man in attendance at a frozen pond where skating etc. is going on.