Definition of Black hole

1. Noun. A region of space resulting from the collapse of a star; extremely high gravitational field.

Generic synonyms: Part, Region

Medical Definition of Black hole

1. A dungeon or dark cell in a prison; a military lock-up or guardroom; now commonly with allusion to the cell (the Black Hole) in a fort at Calcutta, into which 146 English prisoners were thrust by the nabob Suraja Dowla on the night of June 20, 17656, and in which 123 of the prisoners died before morning from lack of air. "A discipline of unlimited autocracy, upheld by rods, and ferules, and the black hole." (H. Spencer) Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Black Hole

black grama
black greasewood
black grouse
black guillemot
black gum
Black Hand
black haw
Black Hawk
black heel
black hellebore
black hemlock
black henbane
black hickory
Black Hills
black hole (current term)
black hole (current term)
Black Hole of Calcutta
black Hollander
black horehound
black huckleberry
black humor
black humour
black ice
Black Jack Pershing
black kite
black knapweed
black knot
black larch
black lead
black lead

Other Resources:

Search for Black hole on Dictionary.com!Search for Black hole on Thesaurus.com!Search for Black hole on Google!Search for Black hole on Wikipedia!