What does anti-comintern pact mean?

anti-comintern pact meaning in Urban Dictionary

A pact between Germany & Japan (25 Nov 1936) and later Germany, Italy & Japan (6 Nov 1937). Japan renounced it in 1939, not attempting to notice it as a reason to need to battle straight with european powers at war with Germany, but in light of German victories formed a Tripartite Pact per year later.