- See Stamen. - The fixed, firm part of a body, which supports it or
gives it strength and solidity; as, the bones are the stamina of animal
bodies; the ligneous parts of trees are the stamina which constitute
their strength. - Whatever constitutes the principal strength or support
of anything; power of endurance; backbone; vigor; as, the stamina of a
constitution or of life; the stamina of a State.