1 bolster

2 a long pillow or cushion

1 pillow

2 to pillow

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

1 pillow

1 pillowcase

1 to have a stiff neck after sleeping

2 (of the head) to touch the pillow

1 bed of straw and pillow of clay (idiom)

2 the correct etiquette for a filial son during the mourning period

1 lit. to use one's bent arm as a pillow (idiom)

2 fig. content with simple things

1 cold pillow and lonely bed (idiom); fig. cold and solitary existence

1 to sleep on one's armor with a spear as a pillow (idiom)

2 to keep ready for battle at all times

1 to wait for dawn, one's head resting on a spear (idiom)

2 fully prepared and biding one's time before the battle