よろいどうし

Japanese edit

For pronunciation and definitions of よろいどうし – see the following entry.
鎧通し
[noun] (weaponry) a straight and stout short sword used for thrusting, intended to pierce armor
[noun] (weaponry) an armor-piercing arrowhead
[noun] alternate name for the 目木(めぎ) (megi), common name for evergreen shrubs of genus Berberis
(This term, よろいどうし, is the hiragana spelling of the above term.)