To apply treacle to a surface, so as to catch flies or moths, etc.

(chiefly Britain) A syrupy byproduct of sugar refining; molasses or golden syrup. / Cloying sentimental speech. / (Cockney rhyming slang) Sweetheart (from treacle tart).

plural of treacle

Covered with treacle.

present participle of treacle

Paper covered in treacle, meant to attract and catch flies.

A sweet and refreshing sleep.

plural of treacle sleep

plural of treacle paper

(archaic, medicine) A compound cordial prepared in different ways from a variety of ingredients, such as hartshorn, flowers, the roots and juices of various plants, wines, etc., distilled or digested with Venice treacle.