retch (
http://definr.com/retch)
n : an involuntary spasm of ineffectual vomiting; "a bad case of
the heaves" [syn:
heave]
v 1: eject the contents of the stomach through the mouth; "After
drinking too much, the students vomited" [syn:
vomit,
vomit up,
cast,
sick,
cat,
regurgitate, {be
sick},
disgorge,
regorge,
puke,
barf,
spew,
spue,
chuck,
upchuck,
honk,
throw up] [ant: {keep
down}]
2: make an unsuccessful effort to vomit; strain to vomit [syn:
gag,
heave]