n. & v.
n. 1 a (often attrib.) a territory marked off for special administrative purposes. b Brit. a division of a county or region electing its own councillors. 2 an area which has common characteristics; a region (the wine-growing district).
v.tr. US divide into districts. district attorney (in the US) the prosecuting officer of a district. district court (in the US) the Federal court of first instance. district heating a supply of heat or hot water from one source to a district or a group of buildings. district nurse Brit. a peripatetic nurse serving a rural or urban area. district visitor Brit. a person working for a member of the clergy in a section of a parish.
[ F f. med.L districtus (territory of) jurisdiction (as DISTRAIN) ]