Diuturnal

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Diuturnal \Di`u*tur"nal\, a. [L. diuturnus, fr. diu a long time,
     by day; akin to dies day.]
     Of long continuance; lasting. [R.] --Milton.
     [1913 Webster]