coast
noun [ C ]
uk/kəʊst/ usthe land next to or close to the sea:
The oil spill happened just off the Spanish coast.
the east/west coast He grew up on the west coast, in California.
coast to coast
TRANSPORT
from one coast of a country or continent to the opposite coast:
We travelled across America coast to coast.
mainly US
in every part of a country:
Our products are sought after from coast to coast for their accuracy and reliability.