What is the meaning of Look_up?

Used other than figuratively or idiomatically: see look, up.

To have better prospects.

To obtain, or seek to obtain, information about something.

  1. To obtain information about something from a reference book.

    To obtain information about something from a reference book.

    To enter a query into a database or search engine.

    To reconnect or meet with someone that one used to know.

    Source: wiktionary.org