背面跳び

はいめんとび

Fosbury-back flop, backward jump

背面飛行

はいめんひこう

inverted flight

面従腹背

めんじゅうふくはい

pretending to obey but secretly betraying (someone)

面向不背

めんこうふはい

flawless

背

せ せい

height, stature

背割

せわり

slicing a fish down its back

背筋

せすじ はいきん

the muscles along the spine, dorsal muscles

背反

はいはん

revolting, rebellion, going against, contradiction, antinomy

背戸

せど

back door or entrance

背圧

はいあつ

back pressure

背革

せがわ

back of a leatherbound book

背臨

はいりん

copying from a model without looking at it (calligraphy)

背走

はいそう

running backwards

腹背

ふくはい

back and front, opposition in the heart

背約

はいやく せやく

a broken promise, breaking one's word

背痛

はいつう

back pain

背板

せいた はいばん

backboard

山背

やませ

cold wind descending from the mountains

背任

はいにん

breach of trust, malfeasance, malpractice, misappropriation