recline
verb formal uk/rɪˈklaɪn/ us/rɪˈklaɪn/
[ I or T ]（使）斜倚；（使）斜躺；（使）向后倚靠
to lean or lie back with the upper part of your body in a nearly horizontal position
She was reclining elegantly on the sofa. 她优雅地斜倚在沙发上。
He reclined his head against/on my shoulder. 他把头靠在我的肩上。
[ T ]使（坐椅靠背）向后倾斜
If you recline a chair, you change the position of its back so that it is in a leaning position.