English Dictionary

umbra

/ˈʌmbɹə/

noun

The fully shaded inner region of a shadow cast by an opaque object. / (astronomy) The area on the earth or moon experiencing the total phase of an eclipse. / (astronomy) The central region of a sunspot.

The tree provided a cool umbra on a hot summer day.

意味（1）

The fully shaded inner region of a shadow cast by an opaque object.

意味（2）

(astronomy) The area on the earth or moon experiencing the total phase of an eclipse.

意味（3）

(astronomy) The central region of a sunspot.

意味（4）

(chiefly literary) A shadow.

意味（5）

(archaic) An uninvited guest brought along by one who was invited.

意味（6）

One of the family Umbridae of mudminnows.

意味（7）

A sciaenoid fish, the umbrine.