gapes /ɡeɪps/ noun2 •A fit of yawning.The gapes is contagious: when one person gets the gapes, pretty soon you've got a roomful of gapers. •A disease of young poultry and other birds, caused by a parasitic nematode worm in the windpipe, and having uneasy gaping as a symptom.The gapes has gotten to many of the birds.