macho

Definitions

General English

  • adjective behaving in a way that is thought to be typical of a man

Astronomy

  • (written as MACHO)
    One proposed form which dark matter in galaxies could adopt, MACHOs would be planet-sized objects in deep space. They could be observed by the gravitational lensing effect they might have on light from distant stars.
  • acronym forMassive Compact Halo Object
    (written as MACHO)

Slang

  • adjective assertively male, aggressively masculine. The word is a direct borrowing from Spanish in which it means male, particularly in an animal context, hence virile.
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