Definition of "pier"
- noun
- A raised platform built from the shore out over water, supported on piles; used to secure, or provide access to shipping; a jetty. 
- A similar structure, especially at a seaside resort, used to provide entertainment. 
- A structure that projects tangentially from the shoreline to accommodate ships; often double-sided. 
- A structure supporting the junction between two spans of a bridge. 
- A rectangular pillar, or similar structure, that supports an arch, wall or roof. 
- Sources