the 26 flight feathers of an eagle’s wing (10 primaries and 16 secondaries on each wing) that extend outward from the wing’s trailing edge; pronounced ‘REH-muh-jeez’; primaries provide forward thrust and help control direction, secondaries provide lift; from Latin remex, meaning ‘oarsman’ or ‘rower,’ referring to the function of the wings to provide forward thrust in flight; sing. remex