Definitions of standard:

• noun:   any distinctive flag
• noun:   an upright pole or beam (especially one used as a support)

  Example: "Distance was marked by standards every mile"

• noun:   a basis for comparison; a reference point against which other things can be evaluated
• noun:   the value behind the money in a monetary system
• noun:   a board measure = 1980 board feet
• noun:   the ideal in terms of which something can be judged

  Example: "They live by the standards of their community"

• adjective:   regularly and widely used or sold

  Example: "A standard size"

• adjective:   established or widely recognized as a model of authority or excellence

  Example: "A standard reference work"

• adjective:   conforming to or constituting a standard of measurement or value; or of the usual or regularized or accepted kind

  Example: "Windows of standard width"

• adjective:   conforming to the established language usage of educated native speakers

  Example: "Standard English (American"

• adjective:   commonly used or supplied

  Example: "Standard procedure"

• name:  A surname (rare: 1 in 100000 families; popularity rank in the U.S.: #9388)