Source : Webster's Revised Unabridged Dictionary (1913)

Elance \E*lance"\, v. t. [imp. & p. p. {Elanced}; p. pr. & vb.
   n. {Elancing}.] [F. ['e]lancer, OF. eslancier; pref. es- (L.
   ex) + F. lancer to dart, throw, fr. lance.]
   To throw as a lance; to hurl; to dart. [R.]

         While thy unerring hand elanced . . . a dart. --Prior.