(1):
(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.
(2):
(n.) Any body of troops or men formed in close array, or any combination of people distinguished for firmness and solidity of a union.
(3):
(n.) A group or bundle of stamens, as in polyadelphous flowers.
(4):
(n.) One of the digital bones of the hand or foot, beyond the metacarpus or metatarsus; an internode.
(5):
(n.) A Fourierite community; a phalanstery.