noun

• (law) The process of arresting a criminal, suspect etc.
  "State police made a total of 15 drug-related arrests across the city."
• (nautical) The judicial detention of a ship to secure a financial claim against its operators.
• (obsolete) Any seizure by power, physical or otherwise.
  "The sad stories of fire from heaven, the burning of his sheep, etc., […] were sad arrests to his troubled spirit."
• (farriery) A scurfiness of the back part of the hind leg of a horse

verb

• (obsolete, transitive) To stop the motion of (a person, animal, or body part).
  "An vncouth paine torments my grieued ſoule, And death arreſts the organe of my voyce."
• (obsolete, intransitive) To stay, remain.
  "A white Starre[…]whiche to every mans sighte did lighte and arrest apon the Standard of Albry."
• (transitive) To stop or slow (a process, course etc.).
  "To try to arrest the spiral of violence, I contacted Chief Buthelezi to arrange a meeting."
• (transitive) To seize (someone) with the authority of the law; to take into legal custody.
  "The police have arrested a suspect in the murder inquiry."