from the GNU version of the Collaborative International Dictionary of English
- adj. a piece of plate armor used in tournaments as an extra protection for the left shoulder and breast.
- n. one of the posts of the second line belonging to a system of advance posts of an army.
from The Century Dictionary and Cyclopedia
- n. A piece of armor used in medieval justs, consisting either of an additional defense secured to the breastplate or to the lower part of the tilting-armor and rising above it, or of a secondary breastplate attached by springs to the corselet so that it could be released and thrown in the air by a successful thrust of the antagonist's lance.
Sorry, no etymologies found.