flytrap

• fly trap, fly-trap

From fly +‎ trap.

flytrap (plural flytraps)

1. A trap built to catch flies.
2. The Venus flytrap, an insectivorous plant.
3. (botany) Any contrivance by which a plant catches insects, such as pitchers or tentacles.
4. The spreading dogbane.

• catch flies
• you can catch more flies with honey than with vinegar