bilingual
1. [ adjective ] using or knowing two languages
Examples:

"bilingual education"

Related terms: multilingual
2. [ noun ] (linguistics) a person who speaks two languages fluently
Related terms: linguist
Similar spelling:   bilingually
  billing
  billowing
  Billingsly
  Billingsley
  Billingslea
  Billings
  billingsgate
  boiling
  Billington