1 esp. Brit. a a syrup produced in refining sugar. b molasses.
2 cloying sentimentality or flattery.
Derivatives:
treacly adj.
Etymology: ME triacle f. OF f. L theriaca f. Gk theriake antidote against venom, fem. of theriakos (adj.) f. therion wild beast
Useful english dictionary. 2012.