Birdlime

Webster's Dictionary of the English Language

·vt To smear with birdlime; to catch with birdlime; to Insnare.

II. Birdlime ·noun An extremely adhesive viscid substance, usually made of the middle bark of the holly, by boiling, fermenting, and cleansing it. When a twig is smeared with this substance it will hold small birds which may light upon it. Hence: Anything which insnares.