Definition of "hetero"

hetero

/ˈhɛ.ɾɚ.oʊ/

adjective
comparative more hetero, superlative most hetero
1. (informal) Heterosexual: of, pertaining to, or being a heterosexual person.
noun
plural heteros
1. (informal) A heterosexual person.
  Quotations
  You only have to watch Dominic West’s dancing in the film Pride for two seconds to understand that there are some things beyond a hetero’s range.
  2018, Caspar Salmon, “Casting Jack Whitehall as a gay Disney character is an act of queer erasure”, in The Guardian‎