The Chinese word for pillow is
枕头

zhěn tou

Chinese Definition

pillow
1. 枕头
2. 轴承座
3. 当作枕头
4. 搁在枕头上以枕头支撑
5. 当枕头
6. 枕
Components
枕
1. pillow
2. occipital bone
3. Alternative form of 軫 (cross board at rear of a carriage)
4. to pillow; to lay one's head on
堆屍貯積手足相xiāng 枕 - Bodies are piled up with their hands pillowing upon feet.
5. to approach
6. to lean on
7. Alternative form of 沉
头
1. Simplified form of 頭