Meanings
How to pronounce "fall out":
AU
Synonym of falling out (“rift following a disagreement or quarrel”)
To come out of something by falling.
Example: "I opened the cupboard and a can fell out onto my foot."
To cease to be on friendly terms.
Example: "Dave and I fell out after a long argument."
To leave one's place in the current formation of ranks in order to take one's place in a new formation.
To leave one's current location to report for duty at a new location.
Example: "The company fell out for an artillery drill."