1. working extremely hard or for long hours
Usage: informal

1. the practice of owning slaves or the slave trade
Usage: historical

Examples

• She’s been slaving over that report all weekend.
• The students were slaving away in the library before finals.
• He spent hours slaving in the kitchen to prepare the feast.
• The museum exhibit documented the horrors of slaving in the 18th century.
• Many ships were involved in slaving between Africa and the Americas.
• The abolitionists fought against slaving and other forms of human bondage.