definition of
warhorse

[1] #1 warhorse n. a work of art (composition or drama) that is part of the standard repertory but has become hackneyed from much repetition. wn

[2] #2 warhorse n. [veteran, old-timer, oldtimer, old hand, old stager, stager] an experienced person who has been through many battles; someone who has given long service. wn

[3] #3 warhorse n. horse used in war. wn