Same as theriacal.

noun. A composition regarded as efficacious against the bites of poisonous animals; particularly, theriaca Andromachi, or Venice treacle, which is a compound of sixty to seventy or more drugs, prepared, pulverized, and reduced by the agency of honey to an electuary.

adjective. Of or pertaining to theriac; medicinal.

noun. An ancient composition esteemed efficacious against the effects of poison; especially, a certain compound of sixty-four drugs, prepared, pulverized, and reduced by means of honey to an electuary; -- called also theriaca Andromachi, and Venice treacle.

noun. Treacle; molasses.

noun. an antidote to a poison, especially to the venom of a snake

"Only the other day I found in it theriac, meaning an old-fashioned antidote to venomous bites, which I deduced must exist for The Times jumbo crossword."

treacle  

theriaca  theriacal  

medicinal  molasses  treacle  

theriaca andromachi  venice treacle