a. [f. vbl. phrase fall down: see FALL v. 84.] That falls down, turned over.
1829. Marryat, F. Mildmay, xxiii. He appeared in a sort of undress frock coat, fall-down collar, anchor buttons, no epaulettes, and a lancer’s cap, with a broad gold band.
1882. Unif. Reg., in Navy List, July, 493/2. Coat.—Blue cloth, double-breasted, fall-down collar.
