humeral veil

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. Roman Catholic Church A vestment resembling a shawl worn over the shoulders by a subdeacon during High Mass and by a priest when holding the monstrance.

GNU Webster's 1913

1. adj. (R. C. Ch.) a long, narrow veil or scarf of the same material as the vestments, worn round the shoulders by the officiating priest or his attendant at Mass, and used to protect the sacred vessels from contact with the hands.

WordNet 3.0

1. n. a vestment worn by a priest at High Mass in the Roman Catholic Church; a silk shawl