Phalanx \Pha"lanx\, n.; pl. {Phalanxes}, L. {Phalanges}. [L., from Gr. ?.] 1. (Gr. Antiq.) 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. ``In cubic phalanx firm advanced.'' --Milton.
The Grecian phalanx, moveless as a tower. --Pope.
2. Any body of troops or men formed in close array, or any combination of people distinguished for firmness and solidity of a union.
At present they formed a united phalanx. --Macaulay.
The sheep recumbent, and the sheep that grazed, All huddling into phalanx, stood and gazed. --Cowper.
3. A Fourierite community; a phalanstery.
4. (Anat.) One of the digital bones of the hand or foot, beyond the metacarpus or metatarsus; an internode.
5. [pl. {Phalanges}.] (Bot.) A group or bundle of stamens, as in polyadelphous flowers.