名詞 plimsoll:

1. waterlines to show the level the water should reach when the ship is properly loaded
   同義詞：load line, Plimsoll line, Plimsoll mark
2. a light gym shoe with a rubber sole and a canvas top

plim.soll

n.Chiefly British （名詞）【多用于英國】
A rubber-soled cloth shoe; a sneaker.
橡皮底帆布鞋，帆布膠底運動鞋

來源：
Probably from the resemblance of its mudguard to a Plimsoll mark
可能源自其擋泥板與 Plimsoll mark相似