תִּירְיָיקָא, (θηριακή, theriaca) theriak, a certain compound believed to be an antidote against poisonous bites; in general a remedy, medicine. Sabb. 109ᵇ (v. Rabb. D. S. a. l. note 1), v. כַּנְגַּד. Ned. 41ᵇ כי תירייקי לגופא (Ar. קא …) as wholesome as theriac for the body. Ib. לא היא ולא תִירְיָיקָהּ I want neither it (the fever) nor its alleged good effect. Cant. R. to IV, 5 [read:] שלחו הרופאים והביאו מדמיהן ועשו אותן תִּרְיָאקָה ובה וכ׳ the physicians sent (to Alexandria) and got some of their blood (of menstruation) and made a theriak of it, and with it they healed &c.—[Ab. Zar. II, 4 ותירייקי Y. ed., v. וְתִינְיָיקִי.]