Definition of queen's cushion in English:

queen's cushion

noun

  • Scottish and English regional (northern). Mossy saxifrage, Saxifraga hypnoides.

Origin

Early 19th century (in an earlier sense). From the genitive of queen + cushion. With sense 1 compare earlier king's cushion.

Pronunciation

queen's cushion

/ˌkwiːnz ˈkʊʃn/