The noun BETEL NUT has 1 sense: 1. seed of betel palm; chewed with leaves of the betel pepper and lime as a digestive stimulant and narcotic in southeastern Asia.Familiarity information: BETEL NUT used as a noun is very rare.eed of betel palm; chewed with leaves of the betel pepper and lime as a digestive stimulant and narcotic in southeastern Asia.
Princeton's WordNet(2.67 / 3 votes)Rate this definition: 1  repose, quiet, placidity, serenity, tranquillity, tranquility(noun) a disposition free from stress or emotion. 2  tranquillity, tranquility, quiet(noun) an untroubled state; free from disturbances. 3  tranquillity, tranquility, quietness, quietude(noun) a state of peace and quiet.
tranquil c.1600, from Fr. tranquille (late 15c.), from L. tranquillus quiet (see tranquility). Example Sentences for tranquil He said that Europe can be tranquil only when France is satisfied. Meanwhile, the 3rd Brigade had passed a tranquil night at Nawagai. The housekeeping is enough, she answered, with her tranquil smile. And peace of mind, deep, tranquil peace of mind, was in Tom's heart. There ought to have been a tranquil bark in such an anchorage, and there was. He lived happy, tranquil, in a state of moral well-being most complete.