From Longman Dictionary of Contemporary Englishsoldiersol‧dier1 /ˈsəʊldʒə $ ˈsoʊldʒər/ ●●● S3 W2 noun [countable] 
PMABOa member of the army of a country, especially someone who is not an officer → troop A British soldier was wounded in the fighting. an enemy soldier
PMABOa member of the army of a country, especially someone who is not an officer → troop A British soldier was wounded in the fighting. an enemy soldierExamples from the Corpus
soldier• This orphan grew up to be a soldier.• Moore has been a soldier for most of his adult life.• Grinning soldiers crowded around the partition.• We can form a human chain of Berliners along the Wall which no one dare break, nomatterhow many soldiers they send.• Women were raped by their countrymen as well as by United Nations soldiers who were supposed to protect them.• Foreshadowing yet another Communist practice, he formed colonies of soldiers to farm virgin areas.• There were several soldiers guarding the main gate.• Contemporary accounts give the impression of a watchful, mistrustful regime, of a country bristling with fortresses and teeming with soldiers.• A group of young soldiers were standing outside talking excitedly, their bulging kit-bags leaning up against their legs.soldiersoldier2 verb → soldier on→ See Verb tableExamples from the Corpus
soldier• Do you realise, that I've been soldiering longer than anything else since I was a schoolboy?• After losing centre-forward Lloyd Davies with a knee injury, the Cobblers soldiered on with ten men to earn a goalless draw.• But the eighty year old has soldiered on.Origin soldier1 (1200-1300) Old French soudier, from soulde “pay”, from Late Latin solidus “gold coin”, from Latin solidus (adjective); → SOLID1 