|a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.|
|a scrap or morsel of food left at a meal.|
|Agassiz (āg'ə-sē) Pronunciation Key
Swiss-born American naturalist whose studies of glaciers and their movement introduced the idea of the ice age in 1840. Agassiz later revolutionized science education in the United States by emphasizing direct observation of the natural environment.