noun
padded sleeveless undergarment; vest
A traditional Japanese padded, sleeveless undergarment worn for warmth or protection; also used for modern vests.
寒い季節には胴衣を着ると暖かい。
Wearing a padded sleeveless undergarment keeps you warm in the cold season.
剣道の防具の一つに胴衣がある。
One of the kendo protective gear items is the padded vest.