Pillow vs Cushions - What's the difference?

As nouns the difference between pillow and cushions

is that pillow is a soft cushion used to support the head in bed while cushions is plural of cushion.

is that pillow is to rest as on a pillow while cushions is third-person singular of cushion.

(wikipedia pillow)

(en noun)

A soft cushion used to support the head in bed.

(geology) A pillow lava.

(engineering) A piece of metal or wood, forming a support to equalize pressure; a brass; a pillow block.

(nautical) A block under the inner end of a bowsprit.

A kind of plain, coarse fustian.

* pillow-biter * pillow block * pillow case * pillow fight * pillowing * pillow lace * pillow lava * pillow sham * pillowy

(en verb)

To rest as on a pillow.

* 1942': She had '''pillowed her head on her arm — Rebecca West, ''Black Lamb and Grey Falcon (Canongate 2006, p. 815-6)

(head)

(head)

(cushion)