from the GNU version of the Collaborative International Dictionary of English
- the usher to the Chapter of the Garter, so called from the black rod which he carries. He is of the king's chamber, and also usher to the House of Lords.
- An usher in the legislature of British colonies.
- n. See in the Vocabulary.
from The Century Dictionary and Cyclopedia
- n. In England, the usher belonging to the order of the Garter, more fully styled gentleman usher of the black rod: so called from the black rod which he carries.
Sorry, no etymologies found.