multiwall

[muhl-ti-wawl]

adjective

having a wall or casing composed of layers of material, often pressed closely together: multiwall bags for shipping grain.

noun

a multiwall bag or sack.

Origin of multiwall

First recorded in 1935–40; multi- + wall
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019