[ˈmatʃəʊ], (Adjective)

Definitions:
- masculine in an overly assertive or aggressive way
(e.g: the big macho tough guy)


Phrases:

Origin:
1940s: Spanish, ‘male, masculine’, from Latin masculus

[ˈmatʃəʊ], (Noun)

Definitions:
- a man who is masculine in an overly assertive or aggressive way
(e.g: I realized just what a macho I was at heart)


Phrases:

Origin:
1940s: Spanish, ‘male, masculine’, from Latin masculus

[ˈmatʃəʊ], (Noun)

Definitions:
- a relatively dark, dense object, such as a brown dwarf, a low-mass star, or a black hole, of a kind believed to occur in a halo around a galaxy and to contain a significant proportion of the galaxy's mass


Phrases:

Origin:
1990s: acronym from Massive (Astrophysical) Compact Halo Object