eton jacket(n = noun.artifact) - a jacket hanging to the waist and cut square at the bottom;
is a kind of jacket

eton jacket, n. a short jacket reaching only to the waist, as formerly worn by pupils of Eton College.

air jacket, bed jacket, bomber jacket, book jacket, bush jacket, cardigan jacket, cork jacket, dinner jacket, dolman jacket, donkey jacket, double-breasted jacket, dust jacket, eton collar, eton college, full metal jacket, jacket, jacket crown, jacket potato, life jacket, lounging jacket, lumber jacket, mao jacket, mess jacket, monkey jacket, norfolk jacket, pea jacket, record jacket, shell jacket, single-breasted jacket, ski jacket, smoking jacket, sport jacket, sports jacket, water jacket, yellow jacket