Definition of "questionnaire"

questionnaire

/ˌk(w)estʃəˈnɛə/

noun
plural questionnaires
1. A form containing a list of questions; a means of gathering information for a survey
  Quotations
  In considering their post-war designs some of the British and American railways have adopted the course of taking a cross section of the requirements of the travelling public by distributing questionnaires dealing with details of seating, lighting, catering, and other features making for comfortable journeys.
  1946 January and February, “Post-War Passenger Coaches”, in Railway Magazine, page 2
verb
third-person singular simple present questionnaires, present participle questionnairing, simple past and past participle questionnaired
1. to survey using questionnaires