What is the meaning of Walka?

war (organized armed conflict)

military service

battle; fight (general action, fight, or encounter, in which all the divisions of an army are or may be engaged; a combat, an engagement)

duel (arranged, regular combat between two private persons)

reason for conflict

battle; struggle

agony (struggle that precedes death)

argument, fight

game played on Easter in which one rolls Easter eggs

battle, combat, fight (mutual use of force or weapons against one another) [with z (+ instrumental) ‘with whom’; or with przeciw or przeciwko (+ dative) ‘against whom’; or with między or pomiędzy (+ instrumental) ‘between whom’; in addition, with o or za (+ accusative) ‘for/over whom/what’]

fight; clash (arrange combat often for entertainment; arranged sports competition) [with z (+ instrumental) ‘with whom’]

fight, combat (act of attempting to defeat an opponent in some dispute or contest) [with z (+ instrumental) ‘with whom’; or with przeciw or przeciwko (+ dative) ‘against whom’]

struggle, fight (act of attempting to remove undesirable phenomena or difficulties, to get something, or to help someone) [with z (+ instrumental) ‘with whom’ and o (+ accusative) ‘for/over what’]

struggle, fight (act of attempting to win someone's favor) [with o (+ accusative) ‘for/over whom’]

struggle, fight (act of opposing forces of nature or general phenomena) [with z (+ instrumental) ‘with whom’]

clash (contradiction, e.g. between differing or contending interests, views, purposes)

competition (fighting for resources between species in the same environment)

desire, want for something

battle; fight (general action, fight, or encounter, in which all the divisions of an army are or may be engaged; a combat, an engagement)

Source: wiktionary.org