Also found in: Dictionary, Acronyms, Wikipedia.
Southend-on-Sea,borough and unitary authority (1991 pop. 155,720), E England, at the mouth of the Thames River. The city is a popular seaside resort; its extensive amusement pier suffered major damage from fire in 2005. Manufactures include aluminum foil, paint, electronic equipment, and pharmaceuticals. Yachting events are held there annually. Southend-on-Sea also has an airport.
a city and administrative center in Great Britain, in the county of Essex, on the northern shore of the Thames Estuary. Population, 159,300 (1976). Scientific instruments and agricultural machinery are manufactured and petroleum is refined in the city. There is also an electronics industry. Southend-on-Sea is a recreation area for Londoners.