Meaning of PIER in English
1》 a structure leading out to sea and used as a landing stage for boats or as a place of entertainment.
↘a breakwater or mole.
2》 Brit. a long, narrow structure projecting from an airport terminal and giving access to an aircraft.
3》 the pillar of an arch or one supporting a bridge.
↘a wall between windows or other adjacent openings.
ME: from med. L. pera , of unknown origin.
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004