What does the word alias mean?

Usage examples for alias

  1. Peter had named Alexander, alias " Tom," " The Pony," because of his sturdy, muscular back and firm, strong little mouth, that occasionally looked as if it could take the bit right in its teeth and bolt; and Stuart, alias " Jerry," was named " The Partridge," because of his truly marvellous habit of disappearing when you tried to drum him up to go errands or carry wood. – The Shagganappi by E. Pauline Johnson