Definition of phalanx

• n. - A body of heavy-armed infantry formed in ranks and files close and deep. There were several different arrangements, the phalanx varying in depth from four to twenty-five or more ranks of men.
• n. - Any body of troops or men formed in close array, or any combination of people distinguished for firmness and solidity of a union.
• n. - A Fourierite community; a phalanstery.
• n. - One of the digital bones of the hand or foot, beyond the metacarpus or metatarsus; an internode.
• n. - A group or bundle of stamens, as in polyadelphous flowers.