A small-scale production plant that processes sugar cane to make sugar.
A traditional dark-brown unrefined sugar made from palm tree sap which is used throughout South and Southeast Asia; (by extension) other types of unrefined sugar.
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.