<p><strong>Noun</strong></p><ul><li>a person who serves in an army; a person engaged in military service.</li><li>an enlisted person, as distinguished from a commissioned officer: the soldiers' mess and the officers' mess.</li><li>a person of military skill or experience: George Washington was a great soldier.</li><li>a person who contends or serves in any cause: a soldier of the Lord.</li><li>Also called button man.</li><li>Slang. a low-ranking member of a crime organization or syndicate.</li><li>Entomology. a member of a caste of sexually underdeveloped female ants or termites specialized, as with powerful jaws, to defend the colony from invaders.</li><li>a similar member of a caste of worker bees, specialized to protect the hive.</li><li>a brick laid vertically with the narrower long face out.</li><li>Compare rowlock.</li><li>Informal. a person who avoids work or pretends to work; loafer; malingerer.</li></ul><p><strong>Verb</strong></p><ul><li>to act or serve as a soldier.</li><li>Informal. to loaf while pretending to work; malinger: He was soldiering on the job.</li></ul><p><strong>Verb Phrase</strong></p><ul><li>to persist steadfastly in one's work; persevere: to soldier on until the work is done.</li></ul>