definition of
departure

[1] #1 departure n. [going, going away, leaving] the act of departing. wn

[2] #2 departure n. [deviation, divergence, difference] a variation that deviates from the standard or norm; "the deviation from the mean". wn

[3] #3 departure n. [passing, loss, exit, expiration, going, release] euphemistic expressions for death; "thousands mourned his passing". wn