figurative. Applied to the sea, the navy or shipping (as Britain's external defence); also to an army (as the safeguard of a country).
| 单词 | θ161457 | 
| 释义 | society > armed hostility > defence > 			[noun]		 > means of defence > sea as (2)		 wall1436 figurative. Applied to the sea, the navy or shipping (as Britain's external defence); also to an army (as the safeguard of a country). seawall1879 The sea as a wall or barrier of defence. Cf. sea-walled. rare. | 
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