Definition from Wiktionary, the free dictionary
iceman (plural icemen)
- A person who trades in ice.
- A man who is skilled in travelling upon ice, as among glaciers.
1862, Edward Shirley Kennedy, Peaks, passes, and glaciers, volume 1, page 241:
- We were accompanied by our two guides, Jean Baptiste Croz and Michel Croz, of Chamounix, two capital icemen, and worthy fellows.
- (slang) An assassin.
- (slang) One who is cool under pressure.
one who is cool under pressure