Noah Webster
Treacle
TRE'ACLE, noun [Latin theriaca; Gr. a wild beast.]
1. The spume of sugar in sugar refineries. treacle is obtained in refining sugar; molasses is the drainings of crude sugar. treacle however is often used for molasses.
2. A saccharine fluid, consisting of the inspissated juices or decoctions of certain vegetables, as the sap of the birch, sycamore, etc.
3. A medicinal compound of various ingredients. [See Theriaca.]