to store wine for drinking in the future

If you lay down your weapons, you stop fighting.

They laid down their weapons and surrendered. 他们放下武器投降了。

Mediators have persuaded both sides to lay down their arms. 调停者已经说服双方停止战斗。

to officially establish a rule, or to officially say how something should be done

This is in line with the policy laid down by the management. 这一点符合管理层制定的政策。