From WordNet (r) 3.0 (2006) [wn]:
Luke
n 1: (New Testament) the Apostle closely associated with St.
Paul and traditionally assumed to be the author of the
third Gospel [syn: Luke, Saint Luke, St. Luke]
2: one of the four Gospels in the New Testament; contains
details of Jesus's birth and early life [syn: Luke, {Gospel
of Luke}, Gospel According to Luke]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Luke \Luke\ (l[=u]k), a. [Prob. fr. lew, perh. influenced by AS.
wl[ae]c warm, lukewarm, remiss. Cf. Lew.]
Moderately warm; not hot; tepid; lukewarm. -- Luke"ness, n.
[Obs.]
[1913 Webster]
Nine penn'orth o'brandy and water luke. --Dickens.
[1913 Webster]