Correct Answer: laboratery

Solution : The fourth option is the correct answer.

The incorrectly spelled word is laboratery.

The correct spelling is laboratory, which refers to a place where scientific research, experiments, and analyses are conducted.

The meanings of the other options are as follows:

• Labour refers to work, especially physical work.
• A lantern refers to a portable case with transparent sides used to protect and display a light.
• Literature refers to written works, especially those considered of superior or lasting artistic merit.

Therefore, the correct answer is laboratery.