GULP' The crossword solution for the term GULP is SWALLOW, which is a 7-letter word. SWALLOW is a type of bird that belongs to the Hirundinidae family. They are known for their aerial feeding behavior, where they swoop down from the sky to catch insects in midair. The name 'SWALLOW' is derived from the Old English word 'swalwe, ' which means 'to GULP.' This is likely due to the bird's habit of gulping down its prey in one swift motion.