(pron., a., conj., & adv.) As a demonstrative pronoun (pl. Those), that usually points out, or refers to, a person or thing previously mentioned, or supposed to be understood. That, as a demonstrative, may precede the noun to which it refers; as, that which he has said is true; those in the basket are good apples.
THAT
Meaning of THAT in English
Webster's English dictionary. Английский словарь Webster. 2012