0 present participle of laugh --
1 to smile while making sounds with your voice that show you think something is funny or you are happy: --
Although crying and laughing differ greatly in function and social context, they nicely complement each other and contribute to infant survival and development.
Laughing humans chop an outward breath into a series of short (1/15 second), vowel-like blasts ("ha") that repeat about every 1/5 second ("ha-ha").
She was accused of laughing with her brother at the king's ballads, calling them foolish.
A laughing young man modestly covers his mouth with his hand, but a buxom young woman laughs openly, showing her teeth.
She is always laughing and telling experiences and anecdotes.
Ten weeks later a significant increase of laughing frequency and initial velocity during laughing was found.
Further analysis revealed that all subjects (patients and controls) were susceptible regarding humour (minimum laughing frequency=3).
During the anatomy demonstrations, experiments, and discussions, nobody was to disturb the lecturers or the auditors by talking, laughing, or otherwise making a noise.
