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]
Words nearby muster in
How to use muster in in a sentence
This is a guy who has his son-in-law clean his eyeglasses, for crying out loud.Will Chris Christie Regret His Cowboy Hug?|Matt Lewis|January 5, 2015|DAILY BEAST
Her travel clique has been known to arrive at an airport, bags packed, passport-in-hand, within hours of spotting a deal.‘We Out Here’: Inside the New Black Travel Movement|Charlise Ferguson|January 4, 2015|DAILY BEAST
Earl Spencer adds, “Effectively, my great-grandfather sold his children to his father-in-law.”The Real-Life ‘Downton’ Millionairesses Who Changed Britain|Tim Teeman|December 31, 2014|DAILY BEAST
The lack of a gun is not likely to be a major problem for close-in air-to-air dogfights against other jets.
But those weapons are of limited utility, especially during close-in fights.
Such throats are trying, are they not?In case one catches cold; Ah, yes!
The commander-in-chief still kept him attached to the headquarter staff, and constantly employed him on special service.
So far Murat had always held subordinate commands; his great ambition was to become the commander-in-chief of an independent army.
Their jurisdictions overlapped and the Gascon would play second fiddle to no one save to his great brother-in-law.
But the novel disappeared under the clothes with amazing celerity as the voice of her sister-in-law demanded admission.The Pit Town Coronet, Volume I (of 3)|Charles James Wills