'Dry' in the Bible

'And, when the unclean spirit may go forth from the man, it doth walk through dry places seeking rest, and doth not find;

Woe to you, Scribes and Pharisees, hypocrites! because ye go round the sea and the dry land to make one proselyte, and whenever it may happen -- ye make him a son of gehenna twofold more than yourselves.