welkin

Từ điển Oxford Advanced Learner 8th

wel·kin 7 [welkin] BrE [ˈwelkɪn] NAmE [ˈwelkɪn] noun uncountable (literary or old use)
the sky or heaven
Idiom: ↑let the welkin ring

• Từ đồng nghĩa / Synonyms:
  celestial sphere, sphere, empyrean, firmament, heavens, vault of heaven