setlapa

noun
  1. A term from the Sotho-Tswana languages, referring to a stone or rock. noun
    The children played near the setlapa by the river.
    He used a setlapa to weigh down the papers on the table.
  2. In a metaphorical sense, it can refer to something that is hard or unyielding. noun
    Her heart was like a setlapa, unmoved by his pleas.
    The negotiations were difficult, as both parties were as stubborn as setlapa.