| tortuous | 1. Bent in different directions; wreathed; twisted; winding; as, a tortuous train; a tortuous train; a tortuous leaf or corolla. "The badger made his dark and tortuous hole on the side of every hill where the copsewood grew thick." (Macaulay) 2. Deviating from rectitude; indirect; erroneous; deceitful. "That course became somewhat lesstortuous, when the battle of the Boyne had cowed the spirit of the Jakobites." (Macaulay) 3. Injurious: tortious. 4. <astronomy> Oblique; applied to the six signs of the zodiac (from Capricorn to Gemini) which ascend most rapidly and obliquely. "Infortunate ascendent tortuous." (Chaucer) Tor"tuously, Tor"tuousness. Origin: OE. Tortuos, L.tortuosus, fr.tortus a twisting, winding, fr. Torquere, tortum, to twist: cf. F. Tortueux. See Torture. Source: Websters Dictionary (01 Mar 1998) |
|---|---|
| tortuous aorta | <radiology> Hypertension, aortic insufficiency (not AS), coarctation, cystic medial necrosis (Marfan, Ehlers-Danlos, homocystinuria), premature atherosclerosis (chronic renal disease, hypercholesterolaemia) (12 Dec 1998) |