mattress

n. the large, soft part of a bed that you lie on to sleep.

n. a large rectangular pad for supporting the reclining body, used as or on a bed.

“The new mattress was so comfortable that I fell asleep immediately.”

“After years of sleeping on a worn-out frame, he finally invested in a high-quality memory foam mattress to alleviate his chronic back pain.”

n. a thick layer of material used to protect a foundation or a river bank.

n. a protective structure, often made of stone or concrete, used to stabilise foundations or prevent erosion on embankments.

“Engineers placed a concrete mattress along the river bank to stop the soil from washing away.”

“The structural integrity of the bridge was reinforced by a heavy-duty stone mattress designed to withstand the constant pressure of the tidal current.”

Technical

v. to cover something with a thick, soft layer.

v. to cover or blanket a surface with a thick layer of material, resembling the application of a mattress.

“The fallen leaves started to mattress the forest floor as autumn arrived.”

“By mid-December, a heavy snowfall had begun to mattress the valley, muffling all sound and hiding the jagged rocks beneath a soft white layer.”

Literary