muster in


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Related to muster in: pass muster

muster in

Enlist in military service. For example, They were mustered in at Fort Dix. The antonym is muster out, meaning "to leave or be discharged from military service," as in He was mustered out and given a dishonorable discharge. [First half of 1800s]
See also: muster

muster in

v.
1. To enlist someone in military service. Used chiefly in the passive: Once the men were mustered in, they got their heads shaved.
2. To enlist in military service: In the US, you can't officially muster in until you're 18 years old.
See also: muster