umbra

1. 1.

   a region of complete shadow resulting from total obstruction of light

   Broadershadow

Other forms of umbra

plural

umbrae

Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.

Questions about umbra

What does umbra mean?

umbra means "a region of complete shadow resulting from total obstruction of light".

How many syllables are in umbra?

umbra has 2 syllables: um-bra. The stress falls on "um". In IPA it is /ˈʌmbɹə/.

Is umbra a common word?

umbra is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.