two-ply

[ too-plahy ]

/ ˈtuˈplaɪ /

consisting of two thicknesses, layers, strands, or the like.

Origin of two-ply

First recorded in 1840–50

It is practically a variety of damask or two-ply weaving; the figures on the opposite side of the belt being different.

Navajo weavers |Washington Matthews
He produced a six-cord cabled thread, made up of three two-ply yarns (see fig. 67).

The Invention of the Sewing Machine |Grace Rogers Cooper
Two-ply felt roofing is more economical than the one-ply, as it makes a much more lasting roof.

Making a Poultry House |Mary Roberts Conover
All ribs and segments were cut to size on the ground, put together in place, and then covered with lagging and two-ply tar paper.

Transactions of the American Society of Civil Engineers, Vol. LXX, Dec. 1910 |A. Kempkey

Kidderminster, kid′ėr-min-stėr, n. a kind of carpet (two-ply or ingrain carpet), from the town.

Chambers's Twentieth Century Dictionary (part 2 of 4: E-M) |Various

two-ply

made of two thicknesses, layers, or strands

a two-ply wood, knitting yarn, etc