LATICLAVE
n.[L. laticlavium; latus, broad, and clavus, a stud. ] An ornament of dress worn by Roman senators. It is supposed to have been a broad stripe of purple on the fore part of the tunic, set with knobs or studs.
Lat "i *clave, n. Etym: [L. laticlavus, laticlavium; latus broad +clavus nail, a purple stripe on the tunica: cf. F. laticlave. ] (Rom. Antiq.)