The Collaborative International Dictionary of English v.0.48:

Coronel \Cor"o*nel\ (k?r"?-n?l or k?r"n?l), n. [Cf. Cronel,
   Crown.] (Anc. Armor)
   The iron head of a tilting spear, divided into two, three, or
   four blunt points. [Written also cronel.] --Grose.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

cronel \cro"nel\ (kr[=o]"n[e^]l), n. [Cf. Coronel spearhead,
   Crown.]
   The iron head of a tilting spear.
   [1913 Webster]