to keep someone in (or out), using a blockade, especially ships in a port
to close or block a road etc., using a barricade
A barrier constructed across a road, especially as a military defence
An obstacle, barrier, or bulwark.
A place of confrontation.
Of a ship: to be run aground intentionally to avoid a collision
To store, or place in reserve; to save (money, etc.) for later use.
To perform an action without attracting the attention of.
To remove (something) from the present context and into its proper place; (figurative) to reject or disregard.