warhorse

definition: horse used in war
example:
speech part: noun
synonyms:
definition: a work of art (composition or drama) that is part of the standard repertory but has become hackneyed from much repetition
example:
speech part: noun
synonyms:
definition: an experienced person who has been through many battles
example:
speech part: noun
synonyms: old-timer oldtimer stager old hand old stager

How warhorse is being used?