/
ˈʌmbrə/
n.
(pl. umbras or umbrae
/-briː/
)
- the fully shaded inner region of a shadow cast by an opaque object, especially the area on the earth or moon experiencing totality in an eclipse.
- Astronomy the dark central part of a sunspot.
Derivative
Etymology
C16 (denoting a ghost): from L., lit. ‘shade’.
