Fig. 178. Collar of Lancaster.

Collar, Med. (1) A defence of mail or plate for the neck. (2) Generally. An ornament for the neck. The Egyptians, Persians, Greeks, Romans, and Gauls wore collars, which were named variously streptos (στρεπτὸς), torquis, torques, &c. Collars were ornamented with heraldic badges in the Middle Ages. (3) Heraldic. One of the insignia of the orders of knighthood. (See Fig. [178].)

Fig. 179. Collar of S.S.

Collar of S.S. Originally adopted by Henry IV., on the canopy of whose tomb it is employed as decoration over the arms of himself and his queen. Its significance is doubtful. Camden says the letters are the initials of Sanctus Simo Simplicius, an eminent Roman lawyer, and that it was particularly worn by persons of the legal profession.

Collar-beam, Arch. A horizontal tie, connecting a pair of rafters together, across the vault of a roof.

Collare, R. (collum, neck). A collar made of iron or leather, and studded with spikes. It was used both to confine slaves, and as a dog-collar. When a slave ran away from his master, an iron collar, with a leading-chain attached to it, was put round his neck.

Collarium, Med. Armour for the neck.

Collegium, R. A religious or industrial corporation in ancient Rome. The corresponding Greek institutions were the Hetairiai. The collegia included trade companies or guilds.