Patriot Day Wiki
The term "patriot day wiki" functions as a noun phrase. In this construction, the head noun, which is the main point of the phrase, is "wiki." The preceding words, "Patriot Day," form a proper noun that acts as a noun adjunct, or attributive noun, modifying the head noun. It specifies the type or subject of the wiki. A noun adjunct is a noun that modifies another noun, functioning similarly to an adjective. In this case, "Patriot Day" describes the content focus of the "wiki," distinguishing it from other wikis (e.g., a "science wiki" or a "gaming wiki"). The entire three-word phrase operates as a single conceptual unit, referring to a specific entity: a collaborative, user-edited website dedicated to the topic of Patriot Day. ...