that

that demonstrative adj

see that, pron.; deictic reference to a person, place, or thing.

1. This; the one indicated.

that demonstrative pron

OE þœt.

1. This; the thing just mentioned.

that conj

see that, pron.

1. [Introduces a subordinate clause acting as a noun phrase; complementizer.]
2. [Acts as a pronoun subject of subordinate clause that modifies a noun; relative pronoun] which; who.
3. That which; the thing which.