(亦作bolster pillow)
1- a long, thick pillow that is placed under other pillows for support长枕垫。
1.1
- a part on a vehicle or tool providing structural support or reducing friction（车, 工具的）垫子, 承梁（用于支撑或减少摩擦）。
1.2
- Building a short timber cap over a post designed to increase the bearing of the beams it supports【建筑】托木。
with obj.
1- support or strengthen; prop up支持; 加强; 支撑：
the fall in interest rates is starting to bolster confidence
利率的下调增强了人们的信心
he wished to bolster up his theories with hard data.
他希望用充分的数据来支撑他的理论。
1.1
- provide (a seat) with padded support给（座位）加软垫：
as adj. bolstered I snuggled down into the heavily bolstered seat.我蜷缩在衬垫厚实的座位上。
派生词
bolsterer
noun词源
Old English （in the sense 'long, thick pillow'）, of Germanic origin; related to Dutch bolster and German Polster.