from The Century Dictionary and Cyclopedia
- n. In ueaving, the beam on which the warp-threads are wound. Also called yarn-roll.
Sorry, no etymologies found.
From post to post across one end, which may be called the back part of the loom, is the yarn-beam, about six inches in diameter.
The yarn-beam or yarn-roll or warp-beam was ever a very important part of the loom.
Without attempting to explain farther, let us consider the yarn-beam neatly wound with these warp-threads and set in the loom -- that the
"Rathbun did so and what we saw was a yarn-beam mounted on a pair of oxcart wheels with the tongue of the cart resting on the ground behind."
His glance had followed Abner's to the loom standing in the back of the kitchen, and as he answered his lieutenant he was fixedly regarding the very yarn-beam to which the other had alluded, a round, smooth, dark colored wooden roller, five or six feet long and eight or ten inches through.