Wheelchair
noun
You know that 椅子 is a "chair." What about a car chair? It's a chair with wheels. A wheelchair.
くるまいす
The reading for 車 is the vocab reading, くるま. Then, 椅子 is いす.
あの車椅子に座ってる女の子、めちゃくちゃセクシーじゃない？
Isn’t the girl in the wheelchair ridiculously sexy?