HSK C7-9
Correct

枕

/ zhěn / 
Strokes

Definition

pillow/to pillow/to rest one's head on (Taiwan pr. [zhèn] for this sense)

Example

As a Noun

pillow

1
Liángzhěn
凉枕

cool pillow

2
Zhěntào
枕套

pillowcase; pillowslip; tick

As a Verb

rest the head on; underlay

3
Tā
她
bǎ
把
tóuzhěn
头枕
zài
在
tā
他
de
的
jiānshàng
肩上
  
。

She pillowed her head on his shoulder.

4
Zhěn
枕
zhāo
着
gēbei
胳臂
shuìjiào
睡觉

sleep with one's head resting on one's arm/with one of the arms as a pillow