Answer:
Noun
Step-by-step explanation:
The italicized word in the given sentence is rainstorm, which is a noun. A noun is a part of speech that names things or sets of things, such as living creatures, objects, places, actions, qualities, states of existence, or ideas. When it comes to functions of nouns, they can function as the main word of the subject, the direct or indirect object of a verb, the object of a preposition, or complements.
The meaning of the noun rainstorm is a weather condition with heavy rain and strong wind.