DuckCorp Dico

Found 2 definitions

1.                 From The Collaborative International Dictionary of English v.0.48:
                   
   
   
                   
                     
   Flex \Flex\, v. t. [imp. & p. p. Flexed; p. pr. & vb. n.
      Flexing.] [L. flexus, p. p. of flectere to bend, perh.
      flectere and akin to falx sickle, E. falchion. Cf. Flinch.]
      To bend; as, to flex the arm.
      [1913 Webster]
   
                   
                 

2.                 From The Collaborative International Dictionary of English v.0.48:
                   
   
   
                   
                     
   Flex \Flex\, n.
      Flax. [Obs.] --Chaucer.
      [1913 Webster]