noun
long boots; rubber boots; wellingtons
Refers to boots that cover the calf or knee, often waterproof. In everyday Japanese, it commonly means rain boots (rubber boots), but can also refer to leather riding boots or fashion boots depending on context.
雨の日は長靴を履いて出かけます。
On rainy days, I go out wearing rubber boots.
子供用の長靴はカラフルなものが多い。
Children's rain boots are often colorful.