1.
Gallantry is bravery shown by someone who is in danger, for example when they are fighting in a war. (FORMAL)
For his ~ he was awarded a Victoria Cross.
= bravery
N-UNCOUNT
2.
Gallantry is kind, polite, and considerate behaviour towards other people, especially women. (FORMAL)
It’s that time of year again, when thoughts turn to romance and ~.
= courtesy
N-UNCOUNT