Pin'ing adjective 1. Languishing; drooping; wasting away, as with longing. 2. Wasting; consuming. 'The pining malady of France.' Shak. Found on http://www.encyclo.co.uk/webster/P/91
Development of relatively small cavities in a concrete surface, due to phenomena such as cavitation or corrosion. Found on https://www.encyclo.co.uk/local/21066