The meaning. . .

The boy's name Caleb \c(a)-leb\ is pronounced KAY-leb. It is of Hebrew origin, and its meaning is "dog". Biblical: Caleb, a companion of Moses and Joshua, was noted for his astute powers of observation and fearlessness in the face of overwhelming odds; his devotion to God is symbolized by the "dog" in some traditions. The name was popular among the Puritans, and was introduced by them to America. Author Caleb Carr.

The boy's name Oliver \o-li-ver\ is pronounced AH-lih-ver. It is of Latin origin, and its meaning is "olive tree". Name of one of Charlemagne's knights in the 12th-century poem "Chanson de Roland". Also possibly from Alfihar (Old German) "host of elves" or Olafr (Old Norse) "ancestor". Biblical: the olive tree is a symbol of fruitfulness, beauty, and dignity. Today "extending an olive branch" traditionally signifies an offer of peace. Literary: the title character in Dickens' "Oliver Twist". Film director Oliver Stone; actor Oliver Platt.