Definition of "Standard" :

noun: any distinctive flag

noun: an upright pole or beam (especially one used as a support)

"Distance was marked by standards every mile."

noun: the ideal in terms of which something can be judged

"They live by the standards of their community."

noun: a basis for comparison; a reference point against which other things can be evaluated

"The schools comply with federal standards."

noun: the value behind the money in a monetary system

noun: a board measure = 1980 board feet

adjective: commonly used or supplied

"Standard procedure."

adjective: regularly and widely used or sold

"A standard size."

adjective: established or well-known or widely recognized as a model of authority or excellence

"A standard reference work."

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

"Windows of standard width."

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

"Standard English."