(an act of) arresting a thief etc

taking into custody

a small shellfish that fastens itself tightly to rocks

explosive matter on the ground

a mitten; a hand; fist

taking into custody

something that stops progress or makes it difficult

impediment, barrier

something that blocks a way, prevents progress

obstacle, impediment

unexpected danger or difficulty (especially one that is not easy to identify)

hazard, trap

a piece of ground (usually small); a (secret) plan (good or bad) (to do something)

plan, scheme

a clever but deceitful way of doing something; trick

trick, deception

a trap for small animals and birds; something dangerous or deceitful that tempts a person

trap

(the use of) a trick to deceive a person

trick

an apparatus used for catching animals etc; a plan for deceiving a person or making a person say or do something; a light, two-wheeled vehicle pulled by a horse or pony

snare, trick