A subordinate clause used as a noun. See also clause.

a clause acting as a noun

a clause which does the work of a noun in a sentence

a group of words (containing a verb) which is the subject or object of the verb of the main clause

a group of words that has a subject and a verb and is used as a noun in a sentence

an entire clause which takes the place of a noun in another clause or phrase

a subordinate clause that takes the place of a noun

a word group having a subject and a predicate which functions in the sentence as a noun

noun clauses are clauses that act like nouns. There are two main types: those formed from statements, beginning with that; and those formed from questions, beginning with a question word such as how, what, which, why, etc

A dependent clause that can occur in the same place as a noun, pronoun or noun phrase in a sentence. Noun clauses begin with wh- words, if, whether, or that e.g. I don't know where Ellen is. I wonder if you can come tomorrow. I think that it"s a lie.