Source : Webster's Revised Unabridged Dictionary (1913)

Luke \Luke\, a. [Prob. fr. lew, perh. influenced by AS. wl[ae]c
   warm, lukewarm, remiss. Cf. Lew.]
   Moderately warm; not hot; tepid. -- {Luke"ness}, n. [Obs.]

Source : WordNet®

Luke
     n 1: (New Testament) the Apostle closely associated with St Paul
          and traditionally assumed to be the author of the third
          Gospel [syn: {Saint Luke}, {St. Luke}]
     2: one of the four Gospels in the New Testament; contains
        details of Jesus's birth and early life [syn: {Gospel of
        Luke}, {Gospel According to Luke}]