bustle; crinolette; kimono seat patch
Refers to a padded undergarment worn at the back of the waist, historically used to shape the skirt, or a reinforcing patch sewn inside the seat area of a kimono.
明治時代の女性は、腰当てを使ってスカートの形を整えた。
Women in the Meiji era used a bustle to shape their skirts.
hip pad (sports)
Protective padding worn over the hips in contact sports such as American football.
アメフト選手は腰当てを装着して試合に臨む。
American football players wear hip pads for the game.
loin guard; tasset (armor)
A piece of armor protecting the waist and upper thighs; tasset is the specific European term.
甲冑の腰当ては、太ももを守るために垂れ下がっている。
The armor's tassets hang down to protect the thighs.
着物の腰当ては、座ったときに生地を保護するための当て布だ。
The kimono seat patch is a reinforcing cloth to protect the fabric when sitting.
Standard kanji spelling using 当て.
Variant spelling using hiragana あて; less common but still seen.
Compound of 腰 (こし, 'waist, hip') and 当て (あて, 'pad, patch, guard'). The exact historical derivation is uncertain, but the word transparently describes something applied to the waist area.