altern

1 definition found

altern - Collaborative International Dictionary of English v.0.48 :

  Altern \Al"tern\, a. [L. alternus, fr. alter another: cf. F.
     alterne.]
     Acting by turns; alternate. --Milton.
     [1913 Webster]
  
     Altern base (Trig.), a second side made base, in
        distinction from a side previously regarded as base.
        [1913 Webster]