Answer: The dictionary definition that best describes how the word "radiant" is used in this sentence is c) filled with light or very bright.
Explanation: The word "radiant" is an adjective and it is generally used to describe something or someone as shining or glowing brightly<u>. In the sentence provided, "radiant" has been used to describe the glow of the silver moon; therefore, it is depicting this glow as something filled with light or very bright.</u> In that way, option c) is the one that provides the meaning of the word "radiant" in this sentence.
