noun

1. a deep, rounded container or dish, open at the top
2. the capacity or contents of a bowl
3. a thing or part shaped like a bowl; specif.,
   1. the rounded or hollow part of a spoon or smoking pipe
   2. washbowl
   3. the basin of a toilet
   4. a hollow land formation
4. ☆
   in full bowl game
   1. an amphitheater or stadium
   2. any of various football games played annually after the regular season between teams selected for their superior records
5. Archaic a large drinking vessel

Etymology: ME bolle < OE bolla, cup, bowl < IE base *bhel-, to swell, inflate (see ball); infl. in OE by L bulla, bubble, ball