Knee vs Lap

When to use each in English, with meaning, register, and examples.

	Knee	Lap
Meaning	The part of your leg that bends, where your thigh meets your lower leg.	The flat top part of your legs when you sit down.
CEFR level	A2	C1
Part of speech	noun	noun
Usage notes	Used in both formal and informal contexts. Common in medical discussions, sports, and everyday conversations about the body. Avoid using it in highly technical or specialized contexts unless necessary.	Typically used in the context of sitting down and having something placed on your lap. Not appropriate in formal writing for other meanings, such as a lap in a race.

Frequently asked questions: Knee vs Lap

What's the difference between "Knee" and "Lap"?

"Knee" means: The part of your leg that bends, where your thigh meets your lower leg. "Lap" means: The flat top part of your legs when you sit down.

When should I use "Knee" and "Lap"?

They can all be used in everyday English.

Are "Knee" and "Lap" the same CEFR level?

"Knee" is at A2, "Lap" is at C1 on the CEFR scale.