From Wiktionary, the free dictionary
From outer + coat.
outercoat (plural outercoats)
- A topcoat or overcoat.
1973, O. E. Schoeffler, William Gale, Esquire's Encyclopedia of 20th Century Men's Fashions, page 119:Antelope suede in its natural soft tan color was a new material for an outercoat with set-in sleeves […]
