n. A strong thread or twine used in tying up parcels.
the GNU version of the Collaborative International Dictionary of English
n. A strong three-ply thread or small twine used to sew or tie packs or packages.
The Century Dictionary and Cyclopedia
n. Strong thread or twine used for sewing up packages or bales, or for tying up parcels.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a strong three-ply twine used to sew or tie packages
Word Usage
"His nerves had previously been ``made of packthread . . . proof against weather, ingratitude, meat-under-done, every weapon of fate'', according to a letter written to one of his other enthusiasms, William Wordsworth."