- an ancient Greek and Macedonian battle formation of hoplites presenting long spears from behind a wall of overlapping shields
- any closely ranked unit or mass of people: the police formed a phalanx to protect the embassy
- a number of people united for a common purpose
- any of the bones of the fingers or toes
- a bundle of stamens, joined together by their stalks (filaments)
WordReference Random House Learner's Dictionary of American English © 2019
- Militarya body of troops fighting in close formation.
- a number of people united for a common purpose:a phalanx of her supporters at the trial.
- a tightly, closely packed body of people, animals, or things:a phalanx of riot police.
- Ancient History(in ancient Greece) a group of heavily armed infantry formed in ranks and files close and deep, with shields joined and long spears overlapping.
- Militaryany body of troops in close array.
- a number of individuals, esp. persons united for a common purpose.
- a compact or closely massed body of persons, animals, or things.
- Military(cap.) a radar-controlled U.S. Navy 20mm Gatling-type gun deployed on ships as a last line of defense against antiship cruise missiles.
- Sociology(in Fourierism) a group of about 1800 persons, living together and holding their property in common.
- Anatomy, Zoology, Zoologyany of the bones of the fingers or toes. See diag. under skeleton.
- Printingto arrange the distribution of work in a shop as evenly as possible.
- Greek phálanx military formation, bone of finger or toe, wooden roller