seawall

noun sea·wall \ ˈsē-ˌwȯl \
|Updated on: 23 Jun 2018

Definition of seawall

: a wall or embankment to protect the shore from erosion or to act as a breakwater

Recent Examples of seawall from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'seawall.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of seawall

15th century

in the meaning defined above

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SEAWALL Defined for English Language Learners

seawall

Definition of seawall for English Language Learners

  • : a wall built to keep sea waves from coming up onto land


SEAWALL Defined for Kids

seawall

noun sea·wall \ ˈsē-ˌwȯl \

Definition of seawall for Students

: a bank or a wall to prevent sea waves from eroding the shore

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