NUCHAL Meaning of NUCHAL in English [ 'nju:k(ə)l ]■ adjective Anatomy relating to the nape of the neck.OriginC19: from obs. nucha 'nape' (from med. L. nucha 'medulla oblongata') + -al . Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004