pestle

名词 pestle:

1. machine consisting of a heavy bar that moves vertically for pounding or crushing ores
   同义词：stamp
2. a heavy tool of stone or iron (usually with a flat base and a handle) that is used to grind and mix material (as grain or drugs or pigments) against a slab of stone
   同义词：muller, pounder
3. a club-shaped hand tool for grinding and mixing substances in a mortar

动词 pestle:

1. grind, mash or pulverize in a mortar

pes.tle

n.（名词）
A club-shaped, hand-held tool for grinding or mashing substances in a mortar.
碾槌，捣锤：用来碾磨或捣碎研钵中物质的一种手持棒形工具
A large bar moved vertically to stamp or pound, as in a press or mill.
杵，研棒：一种作垂直运动来压碎或捣碎的大棒，如在压榨机或磨粉机中
v.（动词）
pes.tled,pes.tling,pes.tles
v.tr.（及物动词）
To pound, grind, or mash with or as if with a pestle.
捣，研碎：用杵或类似杵的东西磨碎、研磨或捣碎
v.intr.（不及物动词）
To use a pestle.
使用杵

来源：
Middle English pestel
中古英语 pestel
from Old French
源自 古法语
from Latin pistillum
源自 拉丁语 pistillum