Definition of "Token" :

noun: something of sentimental value

noun: a metal or plastic disk that can be redeemed or used in designated slot machines

noun: something serving as a sign of something else

noun: an individual instance of a type of symbol

"The word error' contains three tokens of r'."

adjective: insignificantly small; a matter of form only (tokenish' is informal)

"A token gesture of resistance."