1. (

• heave ,
• retch

) an involuntary spasm of ineffectual vomiting; "a bad case of the heaves" ;

1. (

• vomit ,
• vomit_up ,
• purge ,
• cast ,
• sick ,
• cat ,
• be_sick ,
• disgorge ,
• regorge ,
• retch ,
• puke ,
• barf ,
• spew ,
• spue ,
• chuck ,
• upchuck ,
• honk ,
• regurgitate ,
• throw_up

) eject the contents of the stomach through the mouth; "After drinking too much, the students vomited"; "He purged continuously"; "The patient regurgitated the food we gave him last night" ;

2. (

• gag ,
• heave ,
• retch ,

) make an unsuccessful effort to vomit; strain to vomit ;