(law) The crime of obstructing or opposing a police officer who is making an arrest.

A device used on electrical and telecommunications systems to protect the insulation and conductors from the damaging effects of lightning. Typically, it has a high-voltage terminal and a ground terminal. When a surge travels along the power line to the arrester, the current from the surge is diverted through the arrester, in most cases to earth.

plural of lightning arrester

plural of self-arrest

plural of warrant of arrest

(anatomy, radiology) A line of increased bone density that represents the position of the growth plate at the time of insult to the organism and formed on long bones due to growth arrest.

plural of growth arrest line

Asked to authority, to ascertain if one is being arrested.