* Common Noun: "Locomotive" is a common noun, referring to a general type of engine that pulls trains. Common nouns are not capitalized unless they start a sentence.
* Proper Noun: If "locomotive" is part of a specific name, like "Big Boy Locomotive," then you would capitalize it.
Examples:
* Not capitalized: The locomotive pulled the train across the vast landscape.
* Capitalized: The Big Boy Locomotive is a famous steam engine.
Let me know if you have any more grammar questions! 😊