Definition of napes:
(n) :
(anatomy) The back part of the neck.
(n) :
(zoology) The part of a fish or bird immediately behind the head.
(n) :
(military, slang) Napalm.
(v) :
(transitive, military, slang) To bombard with napalm.
(n) :
(obsolete) A tablecloth.
(n) :
(organic chemistry) Abbreviation of N-acyl-phosphatidylethanolamine.