1. (noun) a reflex that expels gas noisily from the stomach through the mouth

• belch
• burp
• burping
• eructation

1. (noun) the forceful expulsion of something from inside

• ejection
• expulsion
• forcing out
• projection

2. (noun) a reflex that expels gas noisily from the stomach through the mouth

• ejection
• expulsion
• forcing out
• projection
• inborn reflex
• innate reflex
• instinctive reflex
• physiological reaction
• reflex
• reflex action
• reflex response
• unconditioned reflex

1. (noun) a reflex that expels gas noisily from the stomach through the mouth

• belch
• belch
• belch
• bubble
• bubble
• bubble
• burp
• burp
• burp
• eruct
• eruct
• eruct