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Characterized or motivated by machismo: "He was a mindless activist, a war lover, who found macho relish in danger and felt driven to prove manhood by confrontation" (Arthur M. Schlesinger, Jr.).
n. pl. ma·chos
2. A person characterized by or exhibiting machismo.
[Spanish, male, from Latin masculus; see masculine.]
n. pl. MA·CHOs
Any of various massive dark or very faint objects, including black holes, brown dwarf stars, or large planets, that may exist in galactic halos and make up at least part of the dark matter that is hypothesized to pervade the universe.
[m(assive) a(strophysical) c(ompact) h(alo) o(bject).]
the quality or characteristic of being macho; machismo