quawk noun 2verb 1forms 3 noun2 •The harsh call of this or other birds. •(US) The black-crowned night heron, Nycticorax nycticorax. verb1 •Of birds, to give loud, harsh vocalisations.The old crows quawked for men had cut / Among the oak wood trees. — 1964 formsquawked · quawking · quawks