Cross-references for arx caeli
| Lemma | Language | Meanings |
|---|---|---|
| arx caeli | Latin | citadel of the sky |
| 〈culmen mundi〉 ‘upper midheaven’ | Latin | upper midheaven |
| 〈medium caelum〉 ‘midheaven’ | Latin | upper midheaven , midspace of the sky |
| 〈mesuranima〉 ‘midheaven’ | Latin | upper midheaven |
| 〈cacumen summum〉 ‘midheaven’ | Latin | midheaven |