Main Entry: war·horse

Pronunciation: \-ˌhȯrs\

Function: noun

Date: 15th century

1 : a horse used in war : charger
2 : a person with long experience in a field; especially : a veteran soldier or public person (as a politician)
3 : something (as a work of art or musical composition) that has become overly familiar or hackneyed due to much repetition in the standard repertoire