re·mex 
(rēmĕks′)
(rēmĕks′)n. pl. rem·i·ges (rĕmə-jēz′)
A quill or flight feather of a bird's wing.
[Latin rēmex, rēmig-, rower : rēmus, oar; see erə- in the Appendix of Indo-European roots + agere, to drive; see ACT.]
re·migi·al (rĭ-mĭjē-əl) adj.