Synonyms for Burger (same or very similar meaning)
WordNet sense 1 (United States jurist appointed chief justice of the United States Supreme Court by Richard Nixon (1907-1995)):
Warren Burger, Warren E. Burger, Warren Earl BurgerWordNet sense 2 (a sandwich consisting of a fried cake of minced beef served on a bun, often with other ingredients):
hamburger, beefburgerFrom the ODE community, based on WordNetadd/edit