1. (computing) a tree having four branches at each node, used in the construction of some multidimensional databases, such as in cartography

Encyclopedia: Quadtree

• waterleaf family
• waterless
• waterlessness
• waterline
• waterlogged
• waterloo
• waterman
• watermark
• watermeal
• watermelon
• watermelon begonia
• watermelon vine
• watermelon-shaped
• waterpower
• waterproof
• waterproofed
• waterproofing
• waters
• waterscape
• watershed
• waterside
• waterskier
• waterskin
• waterspout
• watertight