Webster's Revised Unabridged Dictionary · 1913

Birdlime

Birdlime ({not transcribed}) , noun

[Bird + lime viscous substance.]

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.
Not birdlime or Idean pitch produce A more tenacious mass of clammy juice. — Dryden

Birdlime is also made from mistletoe, elder, etc.

Birdlime , transitive verb

To smear with birdlime; to catch with birdlime; to insnare.
When the heart is thus birdlimed, then it cleaves to everything it meets with. — Coodwin