Definitions of search:

• noun:   an investigation seeking answers

  Example: "A thorough search of the ledgers revealed nothing"

• noun:   boarding and inspecting a ship on the high seas

  Example: "Right of search"

• noun:   the activity of looking thoroughly in order to find something or someone
• noun:   the examination of alternative hypotheses

  Example: "His search for a move that would avoid checkmate was unsuccessful"

• noun:   an operation that determines whether one or more of a set of items has a specified property
• verb:   search or seek
• verb:   try to locate or discover, or try to establish the existence of

  Example: "The police are searching for clues"

• verb:   subject to a search

  Example: "The police searched the suspect"

• verb:   inquire into
• name:  A surname (very rare: popularity rank in the U.S.: #45504)