IPA: /ˈmɑːrʃəli/
KK: /ˈmɑrʃəli/
In a way that relates to fighting or military activities.
The soldiers trained martially to prepare for the upcoming mission.
Martially → It is derived from "martialis" (meaning of Mars, the Roman god of war) and the suffix "-ly" (meaning in a manner). The word "martially" refers to behaving or acting in a manner related to war or military affairs.
Think of the Roman god of war, Mars, to remember that "martially" means acting in a way that relates to military or warlike behavior.