caliche /ka-lēˈchā/

1. Sand containing Chile saltpetre
2. A crust of calcium carbonate that forms on the surface of the soil in arid regions

• witheredness
• witherednesses
• withering
• withering-floor
• withering-floors
• witheringly
• witherings
• witherite
• witherites
• withers
• withershins
• wither-wrung
• withes
• with flying colours
• with foal
• with good grace
• withhault
• withheld
• withhold
• withholden
• withholder
• withholders
• withholding
• withholding tax
• withholding taxes