Pumps vs. Plimsoll
Difference Between Pumps and Plimsoll
a low-cut shoe without fastenings
(British) A rubber-soled lace-up canvas shoe for sports or onboard ships; a precursor of trainers.
The plimsoll symbol ⦵ (or
o) that is used as a superscript in the notation of thermodynamics to indicate an arbitrarily chosen non-zero reference point.
waterlines to show the level the water should reach when the ship is properly loaded
a light gym shoe with a rubber sole and a canvas top