thread(redirected from hangs by a thread)
Also found in: Dictionary, Thesaurus, Medical, Encyclopedia.
Related to hangs by a thread: hang around, hang onto
THREAD. A figurative expression used to signify the central line of a stream or water course. Harg. Tracts, 5; 4 Mason's Rep. 397; Holt's R. 490. Vide Filum aguae; Island; Water course; River.