The definition of a soldier is a person who serves in the military.(noun)
A man or a woman serving in the Army is an example of a soldier.
To soldier is to serve in an army or to persevere and continue on with something that is difficult.(verb)
When you are faced with obstacles to a project and you just keep on going and working through, this is an example of a time when you soldier on with your project.
See soldier in Webster's New World College Dictionary
Origin: ME soldiour < OFr soldier < solde, coin, pay < LL solidus: see solidus
See soldier in American Heritage Dictionary 4
Origin: Middle English soudier, mercenary
Origin: , from Anglo-Norman soudeour, soldeier
Origin: and Old French soudoior, soudier
Origin: , both from Old French sol, soud, sou
Origin: , from Late Latin solidum, soldum, pay
Origin: , from solidus, solidus; see solidus.
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