Definition of Heart of Oak from the Oxford Advanced Learner's Dictionary

 

Heart of Oak

 
BrE
 
; NAmE
 
 
jump to other results
a British song written in 1770, with words by the English actor David Garrick, which celebrates the qualities and achievements of British sailors. It refers to the fact that the wood of oak trees was used to build ships.
Heart of oak are our ships,Heart of oak are our men,We always are ready, steady, boys, steady!