When the hero proclaimed his love for the heroine at the end of the play, there 'wasn't a dry eye in the house'.
The medication can cause 'dry mouth'. [=a condition in which the inside of your mouth become very dry]
The air is usually 'dry' during the winter. [=there is very little moisture in the air]
(..) But such officers do the king best service in the end When he needs what you have gleaned he will but squeeze you... ...and sponge, you shall be dry again - I understand you not, my lord I am glad of it. A knavish speech sleeps in a foolish ear My lord, you must tell us where the body is (..)2015 Hamlet