What does the word incubator mean?

Usage examples for incubator

  1. Where an incubator is used for hatching the eggs are placed in the machine just as hens' eggs. – Ducks and Geese by Harry M. Lamon Rob R. Slocum
  2. Slowly, the things moved- carefully- bound for some such vast incubator as the one Jim and Dennis had stumbled into some hours before. – The Raid on the Termites by Paul Ernst
  3. The incubator hatched it. – H. R. by Edwin Lefevre