el foso - ditch, moat (as around a castle), trench, hole, garage pit, orchestra pit, opera pitSpanish example: Trajeron a Daniel y le echaron en el foso de los leones.
English example: They brought Daniel and threw him in the lions' pit.
Source: el foso - ditch, moat (as around a castle), trench, hole, garage pit, orchestra pit, opera pit (https://www.123teachme.com/spanish_feeds/word_of_the_day/2020/7/13)