From Longman Dictionary of Contemporary Englishpro bonopro bo‧no /ˌprəʊ ˈbəʊnəʊ $ ˌproʊ ˈboʊnoʊ/ adjective, adverb SCLJOB/WORKused to describe work that someone, especially a lawyer, does without getting paidFrom Longman Business Dictionarypro bonopro bono /prəʊ ˈbəʊnəʊproʊ ˈboʊnoʊ/ (also pro bono publico /-ˈpʊblɪkəʊ-koʊ/) adjective, adverb formalLAW used to describe work done by a lawyer or other professional for which they do not charge a payment42% of attorneys surveyed reported doing some pro bono work last year.Mr. Kunstler is handling the case pro bono.Origin pro bono (1900-2000) Latin pro bono publico “for the public good”
