Any of a range of oligomers of glucose, intermediate in complexity between maltose and starch, produced by the enzymatic hydrolysis of starch; used commercially as adhesives.
A syrupy byproduct of sugar refining; molasses or golden syrup.
Sweetheart (from treacle tart).
Cloying sentimental speech.
To apply treacle to a surface, so as to catch flies or moths, etc.