Device

• Animal trapping
• Bird trapping
  Bird trapping
  Bird trapping techniques to capture wild birds include a wide range of techniques that have their origins in the hunting of birds for food. While hunting for food does not require the birds to be caught alive, some trapping techniques are used to capture birds without harming them particularly for...
  
  
• Booby trap
  Booby trap
  A booby trap is a device designed to harm or surprise a person, unknowingly triggered by the presence or actions of the victim. As the word trap implies, they often have some form of bait designed to lure the victim towards it. However, in other cases the device is placed on busy roads or is...
  
  
• Chemical trap
  Chemical trap
  In chemistry, a chemical trap is a chemical compound that is used to detect a certain molecule when* The concentration of this molecule is very small and below detection limit...
  
  , a chemical compound usable for capturing an elusive molecule
• Heligoland trap
  Heligoland trap
  A Heligoland trap is a large, building-sized, funnel-shaped, rigid structure of wire mesh or netting used to trap birds, so that they can be banded or otherwise studied by ornithologists....
  
  , a bird trap
• Insect trap
  Insect trap
  Insect traps are used to monitor or directly reduce insect populations. They typically use food, visual lures, chemical attractants and pheromones as bait and are installed so that they do not injure other animals or humans or result in residues in foods or feeds. Visual lures use light, bright...
  
  
• Man-trap
  Man-Trap
  Man-Trap is a 1961 American drama film about a Korean War veteran who becomes involved in a scheme to steal $3.5 million dollars from a Central American dictator. The film was directed by Edmond O'Brien, and stars Jeffrey Hunter, David Janssen, Stella Stevens, Elaine Devry, Arthur Batanides, Cortez...
  
  
• Mousetrap
  Mousetrap
  A mousetrap is a specialized type of animal trap designed primarily to catch mice; however, it may also trap other small animals. Mousetraps are usually set in an indoor location where there is a suspected infestation of rodents. There are various types of mousetrap, each with its own advantages...
  
  
• Penning trap
  Penning trap
  Penning traps are devices for the storage of charged particles using a homogeneous static magnetic field and a spatially inhomogeneous static electric field. This kind of trap is particularly well suited to precision measurements of properties of ions and stable subatomic particles which have...
  
  , used to store charged particles

Tactic

• Canary trap
  Canary trap
  A canary trap is a method for exposing an information leak, which involves giving different versions of a sensitive document to each of several suspects and seeing which version gets leaked....
  
  , a method for exposing an information leak
• Chess trap
  Chess trap
  - List of chess traps :Ordered by chess opening:*Albin Countergambit – Lasker Trap*Blackmar-Diemer Gambit – Halosar Trap*Bogo-Indian Defence – Monticelli Trap*Budapest Gambit – Kieninger Trap...
  
  , a move intended to induce the opponent to blunder
• Honey trap, a form of sting operation in law enforcement
• Neutral zone trap
  Neutral zone trap
  The neutral zone trap is a defensive strategy used in ice hockey to prevent an opposing team from proceeding through the neutral zone to force turnovers...
  
  , a defensive strategy in ice hockey
• Speed trap
  Speed Trap
  Speed Trap is a live jazz album by Peter King, recorded at Ronnie Scott's Jazz Club in September 1994, and released in 1996 under the Ronnie Scotts Jazz House label...
  
  , a tactic designed to catch speed limit violators, or a place where such a tactic is commonly used
• Trap street
  Trap street
  A trap street is a fictitious entry in the form of a misrepresented street on a map, often outside the area the map nominally covers, for the purpose of "trapping" potential copyright violators of the map, who will be unable to justify the inclusion of the "trap street" on their map...
  
  , a intentionally incorrectly rendered street on a map

Hindrance

• Sand trap, a type of hazard in golf
  Hazard (golf)
  A hazard is an area of a golf course in the sport of golf which provides a difficult obstacle. which may be of three types: water hazards such as lakes and rivers; man-made hazards such as bunkers; and natural hazards such as dense vegetation. Special rules apply to playing balls that fall in a...
  
  
• Welfare trap
  Welfare trap
  The welfare trap theory asserts that taxation and welfare systems can jointly contribute to keep people on social insurance because the withdrawal of means tested benefits that comes with entering low-paid work causes there to be no significant increase in total income...
  
  , a phenomenon by which social policies interact to keep people dependent on welfare
• High level equilibrium trap
  High level equilibrium trap
  The high level equilibrium trap is a concept developed by Mark Elvin to explain why China never underwent an indigenous Industrial Revolution, despite its wealth, stability, and high level of scientific achievement...
  
  , a concept used to explain why China never underwent an indigenous Industrial Revolution
• Liquidity trap
  Liquidity trap
  A liquidity trap is a situation described in Keynesian economics in which injections of cash into an economy by a central bank fail to lower interest rates and hence to stimulate economic growth. A liquidity trap is caused when people hoard cash because they expect an adverse event such as...
  
  , a concept in economics involving a stagnant economy and low interest rates
• Carrier trap, a type of defect in a semiconductor