Word of the Day, Web Site of the Day and Number to Know.

  Word of the Day   Zoology zoh-ahl-uh-jee (noun) A branch of biology concerned with the classification and the properties and vital phenomena of animals -- www.merriam-webster.com   Web Site of the Day   Menu Pages www.menupages.com   Tired of waiting until you get to a restaurant to discover what’s on their menu? Check out Menu Pages, which compiles menus from restaurants in major cities. At the moment, cities covered are Boston, Chicago, Los Angeles, New York, Philadelphia, San Francisco, South Florida and Washington.   Number to Know   5: Number of rings on the Olympic flag, which “represent the five parts of the world which now are won over to Olympism,” the flag’s designer said in 1914.