What is the plural form of this noun: 'sky'?

A word used to refer to a person, place, thing, or even animal is known as a noun. Almost every sentence contains one or more than one nouns. A noun can be singular or plural, depending on the number of the noun or pronoun. For example, 'teacher' is a singular noun, while the plural form of the word is 'teachers'. For the given word 'sky', the plural form is 'skies'.