In particular, the USPS distributes mail to Regional Centers which are assigned to a particular 3-digit partial ZIP (for example, zip codes starting with 921 are in the San Diego, CA area). Check out the excellent zipdecode website to see how partial zip codes map to areas of the country.
A pendeloque is a pear-shaped modification of the round brilliant cut used for diamonds and other gemstones. See also. Briolette; Cut (gems) References
Penetrant: a harpoon-like structure used to penetrate; Glutinant: a sticky surface used to stick to prey; Volvent: a lasso-like string that is fired at prey and wraps around a cellular projection on the prey; Ptychocyst: a special type of nematocyte found on burrowing (tube) anemones, which help create the tube in which the animal lives.