umbra versa
umbra versa · umbra versas
On a shadow in the shape of a right triangle, the length of the shadow's edge opposite…On a shadow in the shape of a right triangle, the length of the shadow's edge opposite to a measured angle.
/ˈʌmbɹə ˈvɜːsə/
Meaning
1 sensesOn a shadow in the shape of a right triangle, the length of the shadow's edge opposite to a measured angle.
Origin
First attested in Modern English in 1688, although the phrase was also used in Middle EnglFirst attested in Modern English in 1688, although the phrase was also used in Middle English by Geoffrey Chaucer (c. 1343–1400) in his Treatise on the Astrolabe; Latin: umbra (“shadow”) + versa (feminine nominative singular of versus, “turned”) = “turned shadow”; compare umbra recta.
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Forms
plural: umbra versas| Singular | umbra versa |
|---|---|
| Plural | umbra versas |
regular
Synonyms
1 synonymsumbra stans