"gulp" in the noun sense
1. gulp, draft, draught, swig
a large and hurried swallow
"he finished it at a single gulp"
2. gulp, gulping
a spasmodic reflex of the throat made as if in swallowing
"gulp" in the verb sense
1. gulp, quaff, swig
to swallow hurriedly or greedily or in one draught
"The men gulped down their beers"
2. gulp
utter or make a noise, as when swallowing too quickly
"He gulped for help after choking on a big piece of meat"
Source: WordNet® (An amazing lexical database of English)
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